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What is the Least Common Multiple of 64686 and 64701?

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 64686 and 64701 is 1395082962.

LCM(64686,64701) = 1395082962

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Least Common Multiple of 64686 and 64701 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64686 and 64701, than apply into the LCM equation.

GCF(64686,64701) = 3
LCM(64686,64701) = ( 64686 × 64701) / 3
LCM(64686,64701) = 4185248886 / 3
LCM(64686,64701) = 1395082962

Least Common Multiple (LCM) of 64686 and 64701 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64686 and 64701. First we will calculate the prime factors of 64686 and 64701.

Prime Factorization of 64686

Prime factors of 64686 are 2, 3, 10781. Prime factorization of 64686 in exponential form is:

64686 = 21 × 31 × 107811

Prime Factorization of 64701

Prime factors of 64701 are 3, 7, 13, 79. Prime factorization of 64701 in exponential form is:

64701 = 32 × 71 × 131 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 64686 and 64701.

LCM(64686,64701) = 21 × 32 × 107811 × 71 × 131 × 791
LCM(64686,64701) = 1395082962