GCF and LCM Calculator Logo

What is the Least Common Multiple of 9642 and 9651?

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 9642 and 9651 is 31018314.

LCM(9642,9651) = 31018314

LCM Calculator and
and

Least Common Multiple of 9642 and 9651 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9642 and 9651, than apply into the LCM equation.

GCF(9642,9651) = 3
LCM(9642,9651) = ( 9642 × 9651) / 3
LCM(9642,9651) = 93054942 / 3
LCM(9642,9651) = 31018314

Least Common Multiple (LCM) of 9642 and 9651 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9642 and 9651. First we will calculate the prime factors of 9642 and 9651.

Prime Factorization of 9642

Prime factors of 9642 are 2, 3, 1607. Prime factorization of 9642 in exponential form is:

9642 = 21 × 31 × 16071

Prime Factorization of 9651

Prime factors of 9651 are 3, 3217. Prime factorization of 9651 in exponential form is:

9651 = 31 × 32171

Now multiplying the highest exponent prime factors to calculate the LCM of 9642 and 9651.

LCM(9642,9651) = 21 × 31 × 16071 × 32171
LCM(9642,9651) = 31018314