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What is the Least Common Multiple of 64623 and 64632?

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 64623 and 64632 is 1392237912.

LCM(64623,64632) = 1392237912

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Least Common Multiple of 64623 and 64632 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64623 and 64632, than apply into the LCM equation.

GCF(64623,64632) = 3
LCM(64623,64632) = ( 64623 × 64632) / 3
LCM(64623,64632) = 4176713736 / 3
LCM(64623,64632) = 1392237912

Least Common Multiple (LCM) of 64623 and 64632 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64623 and 64632. First we will calculate the prime factors of 64623 and 64632.

Prime Factorization of 64623

Prime factors of 64623 are 3, 13, 1657. Prime factorization of 64623 in exponential form is:

64623 = 31 × 131 × 16571

Prime Factorization of 64632

Prime factors of 64632 are 2, 3, 2693. Prime factorization of 64632 in exponential form is:

64632 = 23 × 31 × 26931

Now multiplying the highest exponent prime factors to calculate the LCM of 64623 and 64632.

LCM(64623,64632) = 31 × 131 × 16571 × 23 × 26931
LCM(64623,64632) = 1392237912