GCF and LCM Calculator Logo

What is the Least Common Multiple of 77562 and 77580?

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 77562 and 77580 is 334292220.

LCM(77562,77580) = 334292220

LCM Calculator and
and

Least Common Multiple of 77562 and 77580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77562 and 77580, than apply into the LCM equation.

GCF(77562,77580) = 18
LCM(77562,77580) = ( 77562 × 77580) / 18
LCM(77562,77580) = 6017259960 / 18
LCM(77562,77580) = 334292220

Least Common Multiple (LCM) of 77562 and 77580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77562 and 77580. First we will calculate the prime factors of 77562 and 77580.

Prime Factorization of 77562

Prime factors of 77562 are 2, 3, 31, 139. Prime factorization of 77562 in exponential form is:

77562 = 21 × 32 × 311 × 1391

Prime Factorization of 77580

Prime factors of 77580 are 2, 3, 5, 431. Prime factorization of 77580 in exponential form is:

77580 = 22 × 32 × 51 × 4311

Now multiplying the highest exponent prime factors to calculate the LCM of 77562 and 77580.

LCM(77562,77580) = 22 × 32 × 311 × 1391 × 51 × 4311
LCM(77562,77580) = 334292220