What is the Least Common Multiple of 78718 and 78722?

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 78718 and 78722 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78718 and 78722, than apply into the LCM equation.

GCF(78718,78722) = 2
LCM(78718,78722) = ( 78718 × 78722) / 2
LCM(78718,78722) = 6196838396 / 2
LCM(78718,78722) = 3098419198

Least Common Multiple (LCM) of 78718 and 78722 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78718 and 78722. First we will calculate the prime factors of 78718 and 78722.

Prime Factorization of 78718

Prime Factorization of 78722

Now multiplying the highest exponent prime factors to calculate the LCM of 78718 and 78722.

LCM(78718,78722) = 2¹ × 39359¹ × 7¹ × 5623¹
LCM(78718,78722) = 3098419198