GCF and LCM Calculator Logo

What is the Least Common Multiple of 64481 and 64486?

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 64481 and 64486 is 4158121766.

LCM(64481,64486) = 4158121766

LCM Calculator and
and

Least Common Multiple of 64481 and 64486 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64481 and 64486, than apply into the LCM equation.

GCF(64481,64486) = 1
LCM(64481,64486) = ( 64481 × 64486) / 1
LCM(64481,64486) = 4158121766 / 1
LCM(64481,64486) = 4158121766

Least Common Multiple (LCM) of 64481 and 64486 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64481 and 64486. First we will calculate the prime factors of 64481 and 64486.

Prime Factorization of 64481

Prime factors of 64481 are 17, 3793. Prime factorization of 64481 in exponential form is:

64481 = 171 × 37931

Prime Factorization of 64486

Prime factors of 64486 are 2, 19, 1697. Prime factorization of 64486 in exponential form is:

64486 = 21 × 191 × 16971

Now multiplying the highest exponent prime factors to calculate the LCM of 64481 and 64486.

LCM(64481,64486) = 171 × 37931 × 21 × 191 × 16971
LCM(64481,64486) = 4158121766