Hcf stands for highest common factor and lcm stands for least common multiple, very common and important mathematical equations can be solved with ease using this online calculator. Here we have a couple of word problems--one searching for the least common multiple and the other for the greatest common factor just read them with us slowly and follow along. Lcm: the least common multiple is the smallest multiple that two or more numbers divide into evenly a multiple of a number is the product of the original number with another number. Lcm and hcf using product of primes august 20, 2012 corbettmaths share this. Formulas of hcf and lcm quantitative aptitude questions answers mcq are useful for it officer bank exam, ibps and other information technology related online exam preparation.
Highest common factor (hcf) the highest common factor (hcf) of two (or more) numbers is the largest number that divides evenly into both numbers in other words the hcf is the largest of all the common factors. Lcm and hcf ssc cgl math project 400 questions lcm hcf are important for ssc cgl exams find the best study material for ssc cgl mathyou can also check all other ssc cgl 2017 question paper here. Hcf and lcm important formula - aptitude questions and answers tips for solving questions related to hcf and lcm: prime number: a prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. Hcf (highest common factor): the hcf of two or more than two numbers is the greatest number that divides each of them exactly product of two numbers = product of their hcf & lcm (formula.
In order to understand hcf and lcm, first you need to know a thing or two about factors and multiples a factor of a number is any number that divides into it with zero remainder for example, the factors of 15 are: 1, 3, 5, and 15. Lcm and hcf worksheets - printable pdfs lcm and hcf worksheets - pdf printable lowest common multiple and greatest common factor math worksheets for children in: pre-k, kindergarten,1 st grade, 2 nd grade, 3 rd grade, 4 th grade, 5 th grade, 6 th grade and 7 th grade. Lcm ie least common multiple is a number which is multiple of two or more than two numbers for example: the common multiples of 3 and 4 are 12,24 and so on therefore, lcmis smallest positive number that is multiple of both. Sum of two numbers is given and lcm and hcf is given find sum of reciprocals way to solve type 1 questions let numbers be a and b so a + b is given. Take unlimited online tests on lcm and hcfget instant scores and step-by-step solutions on submission make sure you always get your answers right in lcm and hcf.
Lcm hcf showing top 8 worksheets in the category - lcm hcf some of the worksheets displayed are least common multiple, factors multiples primes prime factors lcm and hcf, find the lowest common, gcf and lcm word problems 2, greatest common factor es1, greatest common factor, highest common factor, grade 6 lcm and hcf. Ideas for teachers this is a classic bingo activity, where students choose the answers to fill in their grid (either 3 by 3 or 4 by 4) then questions are shown one at a time and if a student has the answer in their grid they cross it off. C program to find hcf and lcm of two numbers to find the hcf and lcf of two number in c programming, you have to ask to the user to enter the two number, to find the. What is hcf highest common factor or greatest common divisor(gcd) - the largest(highest) common factor of two or more numbers will be called as hcf of the number eg for 12 and 15 3 will be the hcf.
Facts and formulae for hcf and lcm questions ifactors and multiples : if a number 'a' divides another number 'b' exactly, we say that 'a' is a factor of 'b'in this case, b is called a multiple of a. Lcm of integers: we have to do the same normal calculation as above lcm of decimals: we have to convert decimal into integers by making the number of digits after decimal point is common, now find lcm normally and add decimal point. Therefore the length, breadth and height of a room are 1444 cm, 703 cm and 950 cm respectively and the length of the longest rod which can measure the dimensions of the room exactly is the hcf of 1444, 703 and 950 cm.
Least common multiple or lcm of a and b is the smallest number that can be divided by a or b without any reminder 2 highest common factor or hcf (or gcd - greatest common divisor) of a and b is the largest number that can divide a or b without any reminder. The hcf and lcm of two numbers are 44 and 264 respectively if the first number is divisible by 3, then the first number is a 264 b 132 c both a and b d 33. Concept of lcm and hcf i problem based lcm and hcf for ssc cgl i problem based on lcm and hcf for ssc cgl chsl i problem based on lcm and hcf i shortcuts & tricks of lcm and hcf by dinesh miglani. Questions involving hcf and lcm will involve 2 or more numbers the hcf asks you to find the biggest (highest) factor that belongs (is common) to both numbers the lcm wants the smallest (lowest) number that is a multiple of both numbers.
Hcf and lcm practise finding the highest common factor (hcf), sometimes called the greatest common divisor, and the lowest common multiple (lcm) of two numbers. Name: date: question 1: oliver has 2 planks of wood, 588cm long and 336cm long he wants to saw them into smaller pieces of wood for his crafts project. This sheet covers prime factorisation and finding the hcf and lcm of two (or three) numbers click 👉 exam-type questions that gradually increase in difficulty.
Id : f-6-lcm-and-hcf  grade 6 lcm and hcf for more such worksheets visit wwwedugaincom answer the questions (1) 3 bells ring at interval of 18, 126, 12 seconds respectively. Watch this gcse maths revision lesson on highest common factor (hcf) and lowest common multiple (lcm) after the mathscast is some practice questions for you to have a go at.