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What is the Least Common Multiple of 64692 and 64705?

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 64692 and 64705 is 4185895860.

LCM(64692,64705) = 4185895860

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Least Common Multiple of 64692 and 64705 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64692 and 64705, than apply into the LCM equation.

GCF(64692,64705) = 1
LCM(64692,64705) = ( 64692 × 64705) / 1
LCM(64692,64705) = 4185895860 / 1
LCM(64692,64705) = 4185895860

Least Common Multiple (LCM) of 64692 and 64705 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64692 and 64705. First we will calculate the prime factors of 64692 and 64705.

Prime Factorization of 64692

Prime factors of 64692 are 2, 3, 599. Prime factorization of 64692 in exponential form is:

64692 = 22 × 33 × 5991

Prime Factorization of 64705

Prime factors of 64705 are 5, 12941. Prime factorization of 64705 in exponential form is:

64705 = 51 × 129411

Now multiplying the highest exponent prime factors to calculate the LCM of 64692 and 64705.

LCM(64692,64705) = 22 × 33 × 5991 × 51 × 129411
LCM(64692,64705) = 4185895860