What is the Least Common Multiple of 91378 and 91397?

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 91378 and 91397 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91378 and 91397, than apply into the LCM equation.

GCF(91378,91397) = 1
LCM(91378,91397) = ( 91378 × 91397) / 1
LCM(91378,91397) = 8351675066 / 1
LCM(91378,91397) = 8351675066

Least Common Multiple (LCM) of 91378 and 91397 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91378 and 91397. First we will calculate the prime factors of 91378 and 91397.

Prime Factorization of 91378

Prime Factorization of 91397

Now multiplying the highest exponent prime factors to calculate the LCM of 91378 and 91397.

LCM(91378,91397) = 2¹ × 7¹ × 61¹ × 107¹ × 91397¹
LCM(91378,91397) = 8351675066