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What is the Least Common Multiple of 64654 and 64658?

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 64654 and 64658 is 2090199166.

LCM(64654,64658) = 2090199166

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Least Common Multiple of 64654 and 64658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64654 and 64658, than apply into the LCM equation.

GCF(64654,64658) = 2
LCM(64654,64658) = ( 64654 × 64658) / 2
LCM(64654,64658) = 4180398332 / 2
LCM(64654,64658) = 2090199166

Least Common Multiple (LCM) of 64654 and 64658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64654 and 64658. First we will calculate the prime factors of 64654 and 64658.

Prime Factorization of 64654

Prime factors of 64654 are 2, 32327. Prime factorization of 64654 in exponential form is:

64654 = 21 × 323271

Prime Factorization of 64658

Prime factors of 64658 are 2, 11, 2939. Prime factorization of 64658 in exponential form is:

64658 = 21 × 111 × 29391

Now multiplying the highest exponent prime factors to calculate the LCM of 64654 and 64658.

LCM(64654,64658) = 21 × 323271 × 111 × 29391
LCM(64654,64658) = 2090199166