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What is the Least Common Multiple of 64374 and 64389?

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 64374 and 64389 is 1381659162.

LCM(64374,64389) = 1381659162

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Least Common Multiple of 64374 and 64389 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64374 and 64389, than apply into the LCM equation.

GCF(64374,64389) = 3
LCM(64374,64389) = ( 64374 × 64389) / 3
LCM(64374,64389) = 4144977486 / 3
LCM(64374,64389) = 1381659162

Least Common Multiple (LCM) of 64374 and 64389 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64374 and 64389. First we will calculate the prime factors of 64374 and 64389.

Prime Factorization of 64374

Prime factors of 64374 are 2, 3, 10729. Prime factorization of 64374 in exponential form is:

64374 = 21 × 31 × 107291

Prime Factorization of 64389

Prime factors of 64389 are 3, 13, 127. Prime factorization of 64389 in exponential form is:

64389 = 31 × 132 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 64374 and 64389.

LCM(64374,64389) = 21 × 31 × 107291 × 132 × 1271
LCM(64374,64389) = 1381659162