What is the Least Common Multiple of 7021 and 7039?

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 7021 and 7039 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7021 and 7039, than apply into the LCM equation.

GCF(7021,7039) = 1
LCM(7021,7039) = ( 7021 × 7039) / 1
LCM(7021,7039) = 49420819 / 1
LCM(7021,7039) = 49420819

Least Common Multiple (LCM) of 7021 and 7039 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7021 and 7039. First we will calculate the prime factors of 7021 and 7039.

Prime Factorization of 7021

Prime Factorization of 7039

Now multiplying the highest exponent prime factors to calculate the LCM of 7021 and 7039.

LCM(7021,7039) = 7¹ × 17¹ × 59¹ × 7039¹
LCM(7021,7039) = 49420819