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What is the Least Common Multiple of 64374 and 64386?

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 64386 is 690797394.

LCM(64374,64386) = 690797394

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Least Common Multiple of 64374 and 64386 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 64386, than apply into the LCM equation.

GCF(64374,64386) = 6
LCM(64374,64386) = ( 64374 × 64386) / 6
LCM(64374,64386) = 4144784364 / 6
LCM(64374,64386) = 690797394

Least Common Multiple (LCM) of 64374 and 64386 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64374 and 64386. First we will calculate the prime factors of 64374 and 64386.

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 64386

Prime factors of 64386 are 2, 3, 7, 73. Prime factorization of 64386 in exponential form is:

64386 = 21 × 32 × 72 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 64374 and 64386.

LCM(64374,64386) = 21 × 32 × 107291 × 72 × 731
LCM(64374,64386) = 690797394