What is the Least Common Multiple of 56638 and 56642?

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 56638 and 56642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56638 and 56642, than apply into the LCM equation.

GCF(56638,56642) = 2
LCM(56638,56642) = ( 56638 × 56642) / 2
LCM(56638,56642) = 3208089596 / 2
LCM(56638,56642) = 1604044798

Least Common Multiple (LCM) of 56638 and 56642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56638 and 56642. First we will calculate the prime factors of 56638 and 56642.

Prime Factorization of 56638

Prime Factorization of 56642

Now multiplying the highest exponent prime factors to calculate the LCM of 56638 and 56642.

LCM(56638,56642) = 2¹ × 28319¹ × 127¹ × 223¹
LCM(56638,56642) = 1604044798