GCF and LCM Calculator Logo

What is the Least Common Multiple of 76570 and 76581?

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 76570 and 76581 is 5863807170.

LCM(76570,76581) = 5863807170

LCM Calculator and
and

Least Common Multiple of 76570 and 76581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76570 and 76581, than apply into the LCM equation.

GCF(76570,76581) = 1
LCM(76570,76581) = ( 76570 × 76581) / 1
LCM(76570,76581) = 5863807170 / 1
LCM(76570,76581) = 5863807170

Least Common Multiple (LCM) of 76570 and 76581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76570 and 76581. First we will calculate the prime factors of 76570 and 76581.

Prime Factorization of 76570

Prime factors of 76570 are 2, 5, 13, 19, 31. Prime factorization of 76570 in exponential form is:

76570 = 21 × 51 × 131 × 191 × 311

Prime Factorization of 76581

Prime factors of 76581 are 3, 67, 127. Prime factorization of 76581 in exponential form is:

76581 = 32 × 671 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 76570 and 76581.

LCM(76570,76581) = 21 × 51 × 131 × 191 × 311 × 32 × 671 × 1271
LCM(76570,76581) = 5863807170