80
Answer: LCM of 16 and 20 is 80.
What numbers do 16 and 22 have in common?
The common factors of 16 and 22 are 2, 1, intersecting the two sets above. In the intersection factors of 16 ∩ factors of 22 the greatest element is 2. Therefore, the greatest common factor of 16 and 22 is 2.
What are the common multiples of 15 and 21?
The LCM of 15 and 21 is 105. To find the least common multiple of 15 and 21, we need to find the multiples of 15 and 21 (multiples of 15 = 15, 30, 45, 60 . . . . 105; multiples of 21 = 21, 42, 63, 84 . . . . 105) and choose the smallest multiple that is exactly divisible by 15 and 21, i.e., 105.
How to calculate the least common multiple of 16 and 21?
The formula of LCM is LCM (a,b) = ( a × b) / GCF (a,b). We need to calculate greatest common factor 16 and 21, than apply into the LCM equation. Least common multiple can be found by multiplying the highest exponent prime factors of 16 and 21. First we will calculate the prime factors of 16 and 21. Prime factors of 16 are 2.
How to find LCM for 16, 21 and 24?
LCM(16, 21 and 24) = 336 The least common multiple 336 is a product of common & odd prime factors between the integers which is divisible by each one an integer of this same group. The step by step work for LCM of 16, 21 and 24 may useful to understand how to find LCM for two or three numbers. How to find LCM(16, 21, 24)?
How to find the multiple of the number 21?
So to find the multiples of 21, simply multiply this number by a number of the set of natural numbers as many times as we want. See below how to do it for the number 21: 21 x 0 = 0 so, 0 is a multiple of 21. 21 x 1 = 21 so, 21 is a multiple of 21.
What is the least common factor of 16 and 24?
Least common multiple (LCM) of 16 and 24 is 48. LCM(16,24) = 48. Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.
