What is the Least Common Multiple of 53638 and 53646?

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 53638 and 53646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53638 and 53646, than apply into the LCM equation.

GCF(53638,53646) = 2
LCM(53638,53646) = ( 53638 × 53646) / 2
LCM(53638,53646) = 2877464148 / 2
LCM(53638,53646) = 1438732074

Least Common Multiple (LCM) of 53638 and 53646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53638 and 53646. First we will calculate the prime factors of 53638 and 53646.

Prime Factorization of 53638

Prime Factorization of 53646

Now multiplying the highest exponent prime factors to calculate the LCM of 53638 and 53646.

LCM(53638,53646) = 2¹ × 13¹ × 2063¹ × 3¹ × 8941¹
LCM(53638,53646) = 1438732074