What is the Least Common Multiple of 91661 and 91678?

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 91661 and 91678 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91661 and 91678, than apply into the LCM equation.

GCF(91661,91678) = 1
LCM(91661,91678) = ( 91661 × 91678) / 1
LCM(91661,91678) = 8403297158 / 1
LCM(91661,91678) = 8403297158

Least Common Multiple (LCM) of 91661 and 91678 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91661 and 91678. First we will calculate the prime factors of 91661 and 91678.

Prime Factorization of 91661

Prime Factorization of 91678

Now multiplying the highest exponent prime factors to calculate the LCM of 91661 and 91678.

LCM(91661,91678) = 71¹ × 1291¹ × 2¹ × 23¹ × 1993¹
LCM(91661,91678) = 8403297158