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What is the Least Common Multiple of 64712 and 64728?

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.

Least common multiple (LCM) of 64712 and 64728 is 523584792.

LCM(64712,64728) = 523584792

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Least Common Multiple of 64712 and 64728 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64712 and 64728, than apply into the LCM equation.

GCF(64712,64728) = 8
LCM(64712,64728) = ( 64712 × 64728) / 8
LCM(64712,64728) = 4188678336 / 8
LCM(64712,64728) = 523584792

Least Common Multiple (LCM) of 64712 and 64728 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64712 and 64728. First we will calculate the prime factors of 64712 and 64728.

Prime Factorization of 64712

Prime factors of 64712 are 2, 8089. Prime factorization of 64712 in exponential form is:

64712 = 23 × 80891

Prime Factorization of 64728

Prime factors of 64728 are 2, 3, 29, 31. Prime factorization of 64728 in exponential form is:

64728 = 23 × 32 × 291 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 64712 and 64728.

LCM(64712,64728) = 23 × 80891 × 32 × 291 × 311
LCM(64712,64728) = 523584792