GCF and LCM Calculator Logo

What is the Least Common Multiple of 77556 and 77570?

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 77556 and 77570 is 3008009460.

LCM(77556,77570) = 3008009460

LCM Calculator and
and

Least Common Multiple of 77556 and 77570 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77556 and 77570, than apply into the LCM equation.

GCF(77556,77570) = 2
LCM(77556,77570) = ( 77556 × 77570) / 2
LCM(77556,77570) = 6016018920 / 2
LCM(77556,77570) = 3008009460

Least Common Multiple (LCM) of 77556 and 77570 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77556 and 77570. First we will calculate the prime factors of 77556 and 77570.

Prime Factorization of 77556

Prime factors of 77556 are 2, 3, 23, 281. Prime factorization of 77556 in exponential form is:

77556 = 22 × 31 × 231 × 2811

Prime Factorization of 77570

Prime factors of 77570 are 2, 5, 7757. Prime factorization of 77570 in exponential form is:

77570 = 21 × 51 × 77571

Now multiplying the highest exponent prime factors to calculate the LCM of 77556 and 77570.

LCM(77556,77570) = 22 × 31 × 231 × 2811 × 51 × 77571
LCM(77556,77570) = 3008009460