What is the LCM of 40 and 64? The LCM of 40 and 64 is 320.
What is the least common of 42 and 63?
126
Answer: LCM of 42 and 63 is 126.
How do you find the LCM again?
Find the LCM using the prime factors method
- Find the prime factorization of each number.
- Write each number as a product of primes, matching primes vertically when possible.
- Bring down the primes in each column.
- Multiply the factors to get the LCM.
What numbers do 63 and 42 have in common?
3 x 7 is the gcf of 63 and 42. gcf(63,42) = 21.
How to find the least common multiple of 64?
The instructions to find the LCM of 64 are the next: 1. Decompose all numbers into prime factors 2. Write all numbers as the product of its prime factors 3. Choose the common and uncommon prime factors with the greatest exponent 4. Calculate the Least Common Multiple or LCM
Which is the least common multiple of two numbers?
For example, LCM (2,3) = 6 and LCM (6,10) = 30. For the least common multiple of more than 2 numbers, say a, b, c and d, it is the smallest integer that is evenly divisible by all numbers and can be calculated such that LCM (a,b,c,d) = LCM ( LCM ( LCM ( a,b ), c ), d ).
Which is the least common multiple of 16 and 20?
LCM denotes the least common factor or multiple of any two or more given integers. For example, L.C.M of 16 and 20 will be 2 x 2 x 2 x 2 x 5 = 80, where 80 is the smallest common multiple for numbers 16 and 20. Now, if we consider the multiples of 16 and 20, we get; 16 → 16, 32, 48, 64, 80,…
Which is the least common multiple of 4, 6 and 12?
Common Multiples of 4 : 4,8,12,16,20,24,28,….. Common Multiples of 6: 6,12,18,24,30,36,42….. Common Multiples of 12: 12,24,36,48,60,72,…. From the above-given multiples of 4, 6 and 12, you can see, 12 is the smallest common multiple. Therefore, LCM. of 4, 6 and 12 is 12.
