What is the Least Common Multiple of 91720 and 91736?

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 91720 and 91736 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91720 and 91736, than apply into the LCM equation.

GCF(91720,91736) = 8
LCM(91720,91736) = ( 91720 × 91736) / 8
LCM(91720,91736) = 8414025920 / 8
LCM(91720,91736) = 1051753240

Least Common Multiple (LCM) of 91720 and 91736 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91720 and 91736. First we will calculate the prime factors of 91720 and 91736.

Prime Factorization of 91720

Prime Factorization of 91736

Now multiplying the highest exponent prime factors to calculate the LCM of 91720 and 91736.

LCM(91720,91736) = 2³ × 5¹ × 2293¹ × 11467¹
LCM(91720,91736) = 1051753240