What is the Least Common Multiple of 91609 and 91616?

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 91609 and 91616 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91609 and 91616, than apply into the LCM equation.

GCF(91609,91616) = 7
LCM(91609,91616) = ( 91609 × 91616) / 7
LCM(91609,91616) = 8392850144 / 7
LCM(91609,91616) = 1198978592

Least Common Multiple (LCM) of 91609 and 91616 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91609 and 91616. First we will calculate the prime factors of 91609 and 91616.

Prime Factorization of 91609

Prime Factorization of 91616

Now multiplying the highest exponent prime factors to calculate the LCM of 91609 and 91616.

LCM(91609,91616) = 7¹ × 23¹ × 569¹ × 2⁵ × 409¹
LCM(91609,91616) = 1198978592