What is the Least Common Multiple of 76642 and 76660?

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 76642 and 76660 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76642 and 76660, than apply into the LCM equation.

GCF(76642,76660) = 2
LCM(76642,76660) = ( 76642 × 76660) / 2
LCM(76642,76660) = 5875375720 / 2
LCM(76642,76660) = 2937687860

Least Common Multiple (LCM) of 76642 and 76660 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76642 and 76660. First we will calculate the prime factors of 76642 and 76660.

Prime Factorization of 76642

Prime Factorization of 76660

Now multiplying the highest exponent prime factors to calculate the LCM of 76642 and 76660.

LCM(76642,76660) = 2² × 38321¹ × 5¹ × 3833¹
LCM(76642,76660) = 2937687860