What is the Least Common Multiple of 7621 and 7639?

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 7621 and 7639 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7621 and 7639, than apply into the LCM equation.

GCF(7621,7639) = 1
LCM(7621,7639) = ( 7621 × 7639) / 1
LCM(7621,7639) = 58216819 / 1
LCM(7621,7639) = 58216819

Least Common Multiple (LCM) of 7621 and 7639 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7621 and 7639. First we will calculate the prime factors of 7621 and 7639.

Prime Factorization of 7621

Prime Factorization of 7639

Now multiplying the highest exponent prime factors to calculate the LCM of 7621 and 7639.

LCM(7621,7639) = 7621¹ × 7639¹
LCM(7621,7639) = 58216819