What is the Least Common Multiple of 7390 and 7408?

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 7390 and 7408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7390 and 7408, than apply into the LCM equation.

GCF(7390,7408) = 2
LCM(7390,7408) = ( 7390 × 7408) / 2
LCM(7390,7408) = 54745120 / 2
LCM(7390,7408) = 27372560

Least Common Multiple (LCM) of 7390 and 7408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7390 and 7408. First we will calculate the prime factors of 7390 and 7408.

Prime Factorization of 7390

Prime Factorization of 7408

Now multiplying the highest exponent prime factors to calculate the LCM of 7390 and 7408.

LCM(7390,7408) = 2⁴ × 5¹ × 739¹ × 463¹
LCM(7390,7408) = 27372560