What is the Least Common Multiple of 79915 and 79921?

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 79915 and 79921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79915 and 79921, than apply into the LCM equation.

GCF(79915,79921) = 1
LCM(79915,79921) = ( 79915 × 79921) / 1
LCM(79915,79921) = 6386886715 / 1
LCM(79915,79921) = 6386886715

Least Common Multiple (LCM) of 79915 and 79921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79915 and 79921. First we will calculate the prime factors of 79915 and 79921.

Prime Factorization of 79915

Prime Factorization of 79921

Now multiplying the highest exponent prime factors to calculate the LCM of 79915 and 79921.

LCM(79915,79921) = 5¹ × 11¹ × 1453¹ × 229¹ × 349¹
LCM(79915,79921) = 6386886715