What is the Least Common Multiple of 53638 and 53644?

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 53644 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 53644, than apply into the LCM equation.

GCF(53638,53644) = 2
LCM(53638,53644) = ( 53638 × 53644) / 2
LCM(53638,53644) = 2877356872 / 2
LCM(53638,53644) = 1438678436

Least Common Multiple (LCM) of 53638 and 53644 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53638 and 53644. First we will calculate the prime factors of 53638 and 53644.

Prime Factorization of 53638

Prime Factorization of 53644

Now multiplying the highest exponent prime factors to calculate the LCM of 53638 and 53644.

LCM(53638,53644) = 2² × 13¹ × 2063¹ × 13411¹
LCM(53638,53644) = 1438678436