GCF and LCM Calculator Logo

What is the Least Common Multiple of 64487 and 64491?

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 64487 and 64491 is 4158831117.

LCM(64487,64491) = 4158831117

LCM Calculator and
and

Least Common Multiple of 64487 and 64491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64487 and 64491, than apply into the LCM equation.

GCF(64487,64491) = 1
LCM(64487,64491) = ( 64487 × 64491) / 1
LCM(64487,64491) = 4158831117 / 1
LCM(64487,64491) = 4158831117

Least Common Multiple (LCM) of 64487 and 64491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64487 and 64491. First we will calculate the prime factors of 64487 and 64491.

Prime Factorization of 64487

Prime factors of 64487 are 59, 1093. Prime factorization of 64487 in exponential form is:

64487 = 591 × 10931

Prime Factorization of 64491

Prime factors of 64491 are 3, 7, 37, 83. Prime factorization of 64491 in exponential form is:

64491 = 31 × 71 × 371 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 64487 and 64491.

LCM(64487,64491) = 591 × 10931 × 31 × 71 × 371 × 831
LCM(64487,64491) = 4158831117