What is the Least Common Multiple of 76124 and 76128?

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 76124 and 76128 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76124 and 76128, than apply into the LCM equation.

GCF(76124,76128) = 4
LCM(76124,76128) = ( 76124 × 76128) / 4
LCM(76124,76128) = 5795167872 / 4
LCM(76124,76128) = 1448791968

Least Common Multiple (LCM) of 76124 and 76128 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76124 and 76128. First we will calculate the prime factors of 76124 and 76128.

Prime Factorization of 76124

Prime Factorization of 76128

Now multiplying the highest exponent prime factors to calculate the LCM of 76124 and 76128.

LCM(76124,76128) = 2⁵ × 19031¹ × 3¹ × 13¹ × 61¹
LCM(76124,76128) = 1448791968