What is the Least Common Multiple of 76555 and 76570?

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 of 76555 and 76570 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76555 and 76570, than apply into the LCM equation.

GCF(76555,76570) = 5
LCM(76555,76570) = ( 76555 × 76570) / 5
LCM(76555,76570) = 5861816350 / 5
LCM(76555,76570) = 1172363270

Least Common Multiple (LCM) of 76555 and 76570 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76555 and 76570. First we will calculate the prime factors of 76555 and 76570.

Prime Factorization of 76555

Prime Factorization of 76570

Now multiplying the highest exponent prime factors to calculate the LCM of 76555 and 76570.

LCM(76555,76570) = 5¹ × 61¹ × 251¹ × 2¹ × 13¹ × 19¹ × 31¹
LCM(76555,76570) = 1172363270