What is the Least Common Multiple of 53638 and 53642?

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 53642 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 53642, than apply into the LCM equation.

GCF(53638,53642) = 2
LCM(53638,53642) = ( 53638 × 53642) / 2
LCM(53638,53642) = 2877249596 / 2
LCM(53638,53642) = 1438624798

Least Common Multiple (LCM) of 53638 and 53642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53638 and 53642. First we will calculate the prime factors of 53638 and 53642.

Prime Factorization of 53638

Prime Factorization of 53642

Now multiplying the highest exponent prime factors to calculate the LCM of 53638 and 53642.

LCM(53638,53642) = 2¹ × 13¹ × 2063¹ × 26821¹
LCM(53638,53642) = 1438624798