What is the Least Common Multiple of 73628 and 73642?

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 73628 and 73642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73628 and 73642, than apply into the LCM equation.

GCF(73628,73642) = 2
LCM(73628,73642) = ( 73628 × 73642) / 2
LCM(73628,73642) = 5422113176 / 2
LCM(73628,73642) = 2711056588

Least Common Multiple (LCM) of 73628 and 73642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73628 and 73642. First we will calculate the prime factors of 73628 and 73642.

Prime Factorization of 73628

Prime Factorization of 73642

Now multiplying the highest exponent prime factors to calculate the LCM of 73628 and 73642.

LCM(73628,73642) = 2² × 79¹ × 233¹ × 36821¹
LCM(73628,73642) = 2711056588