What is the Least Common Multiple of 78988 and 79004?

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 78988 and 79004 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78988 and 79004, than apply into the LCM equation.

GCF(78988,79004) = 4
LCM(78988,79004) = ( 78988 × 79004) / 4
LCM(78988,79004) = 6240367952 / 4
LCM(78988,79004) = 1560091988

Least Common Multiple (LCM) of 78988 and 79004 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78988 and 79004. First we will calculate the prime factors of 78988 and 79004.

Prime Factorization of 78988

Prime Factorization of 79004

Now multiplying the highest exponent prime factors to calculate the LCM of 78988 and 79004.

LCM(78988,79004) = 2² × 7² × 13¹ × 31¹ × 19751¹
LCM(78988,79004) = 1560091988