GCF and LCM Calculator Logo

What is the Least Common Multiple of 64770 and 64788?

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 64770 and 64788 is 699386460.

LCM(64770,64788) = 699386460

LCM Calculator and
and

Least Common Multiple of 64770 and 64788 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64770 and 64788, than apply into the LCM equation.

GCF(64770,64788) = 6
LCM(64770,64788) = ( 64770 × 64788) / 6
LCM(64770,64788) = 4196318760 / 6
LCM(64770,64788) = 699386460

Least Common Multiple (LCM) of 64770 and 64788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64770 and 64788. First we will calculate the prime factors of 64770 and 64788.

Prime Factorization of 64770

Prime factors of 64770 are 2, 3, 5, 17, 127. Prime factorization of 64770 in exponential form is:

64770 = 21 × 31 × 51 × 171 × 1271

Prime Factorization of 64788

Prime factors of 64788 are 2, 3, 5399. Prime factorization of 64788 in exponential form is:

64788 = 22 × 31 × 53991

Now multiplying the highest exponent prime factors to calculate the LCM of 64770 and 64788.

LCM(64770,64788) = 22 × 31 × 51 × 171 × 1271 × 53991
LCM(64770,64788) = 699386460