What is the Least Common Multiple of 91643 and 91661?

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 91643 and 91661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91643 and 91661, than apply into the LCM equation.

GCF(91643,91661) = 1
LCM(91643,91661) = ( 91643 × 91661) / 1
LCM(91643,91661) = 8400089023 / 1
LCM(91643,91661) = 8400089023

Least Common Multiple (LCM) of 91643 and 91661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91643 and 91661. First we will calculate the prime factors of 91643 and 91661.

Prime Factorization of 91643

Prime Factorization of 91661

Now multiplying the highest exponent prime factors to calculate the LCM of 91643 and 91661.

LCM(91643,91661) = 113¹ × 811¹ × 71¹ × 1291¹
LCM(91643,91661) = 8400089023