What is the Least Common Multiple of 91298 and 91312?

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 91298 and 91312 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91298 and 91312, than apply into the LCM equation.

GCF(91298,91312) = 2
LCM(91298,91312) = ( 91298 × 91312) / 2
LCM(91298,91312) = 8336602976 / 2
LCM(91298,91312) = 4168301488

Least Common Multiple (LCM) of 91298 and 91312 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91298 and 91312. First we will calculate the prime factors of 91298 and 91312.

Prime Factorization of 91298

Prime Factorization of 91312

Now multiplying the highest exponent prime factors to calculate the LCM of 91298 and 91312.

LCM(91298,91312) = 2⁴ × 191¹ × 239¹ × 13¹ × 439¹
LCM(91298,91312) = 4168301488