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What is the Least Common Multiple of 64652 and 64670?

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 64652 and 64670 is 2090522420.

LCM(64652,64670) = 2090522420

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Least Common Multiple of 64652 and 64670 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64652 and 64670, than apply into the LCM equation.

GCF(64652,64670) = 2
LCM(64652,64670) = ( 64652 × 64670) / 2
LCM(64652,64670) = 4181044840 / 2
LCM(64652,64670) = 2090522420

Least Common Multiple (LCM) of 64652 and 64670 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64652 and 64670. First we will calculate the prime factors of 64652 and 64670.

Prime Factorization of 64652

Prime factors of 64652 are 2, 7, 2309. Prime factorization of 64652 in exponential form is:

64652 = 22 × 71 × 23091

Prime Factorization of 64670

Prime factors of 64670 are 2, 5, 29, 223. Prime factorization of 64670 in exponential form is:

64670 = 21 × 51 × 291 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 64652 and 64670.

LCM(64652,64670) = 22 × 71 × 23091 × 51 × 291 × 2231
LCM(64652,64670) = 2090522420