What is the Least Common Multiple of 91381 and 91391?

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 91381 and 91391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91381 and 91391, than apply into the LCM equation.

GCF(91381,91391) = 1
LCM(91381,91391) = ( 91381 × 91391) / 1
LCM(91381,91391) = 8351400971 / 1
LCM(91381,91391) = 8351400971

Least Common Multiple (LCM) of 91381 and 91391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91381 and 91391. First we will calculate the prime factors of 91381 and 91391.

Prime Factorization of 91381

Prime Factorization of 91391

Now multiplying the highest exponent prime factors to calculate the LCM of 91381 and 91391.

LCM(91381,91391) = 91381¹ × 59¹ × 1549¹
LCM(91381,91391) = 8351400971