What is the Least Common Multiple of 90722 and 90728?

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 90722 and 90728 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90722 and 90728, than apply into the LCM equation.

GCF(90722,90728) = 2
LCM(90722,90728) = ( 90722 × 90728) / 2
LCM(90722,90728) = 8231025616 / 2
LCM(90722,90728) = 4115512808

Least Common Multiple (LCM) of 90722 and 90728 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90722 and 90728. First we will calculate the prime factors of 90722 and 90728.

Prime Factorization of 90722

Prime Factorization of 90728

Now multiplying the highest exponent prime factors to calculate the LCM of 90722 and 90728.

LCM(90722,90728) = 2³ × 45361¹ × 11¹ × 1031¹
LCM(90722,90728) = 4115512808