What is the Least Common Multiple of 91287 and 91291?

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 91287 and 91291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91287 and 91291, than apply into the LCM equation.

GCF(91287,91291) = 1
LCM(91287,91291) = ( 91287 × 91291) / 1
LCM(91287,91291) = 8333681517 / 1
LCM(91287,91291) = 8333681517

Least Common Multiple (LCM) of 91287 and 91291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91287 and 91291. First we will calculate the prime factors of 91287 and 91291.

Prime Factorization of 91287

Prime Factorization of 91291

Now multiplying the highest exponent prime factors to calculate the LCM of 91287 and 91291.

LCM(91287,91291) = 3⁴ × 7² × 23¹ × 91291¹
LCM(91287,91291) = 8333681517