What is the Least Common Multiple of 91245 and 91251?

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 91245 and 91251 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91245 and 91251, than apply into the LCM equation.

GCF(91245,91251) = 3
LCM(91245,91251) = ( 91245 × 91251) / 3
LCM(91245,91251) = 8326197495 / 3
LCM(91245,91251) = 2775399165

Least Common Multiple (LCM) of 91245 and 91251 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91245 and 91251. First we will calculate the prime factors of 91245 and 91251.

Prime Factorization of 91245

Prime Factorization of 91251

Now multiplying the highest exponent prime factors to calculate the LCM of 91245 and 91251.

LCM(91245,91251) = 3² × 5¹ × 7¹ × 11¹ × 79¹ × 10139¹
LCM(91245,91251) = 2775399165