What is the Least Common Multiple of 75642 and 75660?

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 75642 and 75660 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75642 and 75660, than apply into the LCM equation.

GCF(75642,75660) = 6
LCM(75642,75660) = ( 75642 × 75660) / 6
LCM(75642,75660) = 5723073720 / 6
LCM(75642,75660) = 953845620

Least Common Multiple (LCM) of 75642 and 75660 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75642 and 75660. First we will calculate the prime factors of 75642 and 75660.

Prime Factorization of 75642

Prime Factorization of 75660

Now multiplying the highest exponent prime factors to calculate the LCM of 75642 and 75660.

LCM(75642,75660) = 2² × 3¹ × 7¹ × 1801¹ × 5¹ × 13¹ × 97¹
LCM(75642,75660) = 953845620