What is the Least Common Multiple of 56631 and 56643?

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 56631 and 56643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56631 and 56643, than apply into the LCM equation.

GCF(56631,56643) = 3
LCM(56631,56643) = ( 56631 × 56643) / 3
LCM(56631,56643) = 3207749733 / 3
LCM(56631,56643) = 1069249911

Least Common Multiple (LCM) of 56631 and 56643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56631 and 56643. First we will calculate the prime factors of 56631 and 56643.

Prime Factorization of 56631

Prime Factorization of 56643

Now multiplying the highest exponent prime factors to calculate the LCM of 56631 and 56643.

LCM(56631,56643) = 3¹ × 43¹ × 439¹ × 79¹ × 239¹
LCM(56631,56643) = 1069249911