GCF and LCM Calculator Logo

What is the Least Common Multiple of 64615 and 64621?

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 64615 and 64621 is 4175485915.

LCM(64615,64621) = 4175485915

LCM Calculator and
and

Least Common Multiple of 64615 and 64621 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64615 and 64621, than apply into the LCM equation.

GCF(64615,64621) = 1
LCM(64615,64621) = ( 64615 × 64621) / 1
LCM(64615,64621) = 4175485915 / 1
LCM(64615,64621) = 4175485915

Least Common Multiple (LCM) of 64615 and 64621 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64615 and 64621. First we will calculate the prime factors of 64615 and 64621.

Prime Factorization of 64615

Prime factors of 64615 are 5, 12923. Prime factorization of 64615 in exponential form is:

64615 = 51 × 129231

Prime Factorization of 64621

Prime factors of 64621 are 64621. Prime factorization of 64621 in exponential form is:

64621 = 646211

Now multiplying the highest exponent prime factors to calculate the LCM of 64615 and 64621.

LCM(64615,64621) = 51 × 129231 × 646211
LCM(64615,64621) = 4175485915