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What is the Least Common Multiple of 64920 and 64932?

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 64920 and 64932 is 351282120.

LCM(64920,64932) = 351282120

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Least Common Multiple of 64920 and 64932 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64920 and 64932, than apply into the LCM equation.

GCF(64920,64932) = 12
LCM(64920,64932) = ( 64920 × 64932) / 12
LCM(64920,64932) = 4215385440 / 12
LCM(64920,64932) = 351282120

Least Common Multiple (LCM) of 64920 and 64932 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64920 and 64932. First we will calculate the prime factors of 64920 and 64932.

Prime Factorization of 64920

Prime factors of 64920 are 2, 3, 5, 541. Prime factorization of 64920 in exponential form is:

64920 = 23 × 31 × 51 × 5411

Prime Factorization of 64932

Prime factors of 64932 are 2, 3, 7, 773. Prime factorization of 64932 in exponential form is:

64932 = 22 × 31 × 71 × 7731

Now multiplying the highest exponent prime factors to calculate the LCM of 64920 and 64932.

LCM(64920,64932) = 23 × 31 × 51 × 5411 × 71 × 7731
LCM(64920,64932) = 351282120