What is the Least Common Multiple of 91550 and 91558?

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 91550 and 91558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91550 and 91558, than apply into the LCM equation.

GCF(91550,91558) = 2
LCM(91550,91558) = ( 91550 × 91558) / 2
LCM(91550,91558) = 8382134900 / 2
LCM(91550,91558) = 4191067450

Least Common Multiple (LCM) of 91550 and 91558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91550 and 91558. First we will calculate the prime factors of 91550 and 91558.

Prime Factorization of 91550

Prime Factorization of 91558

Now multiplying the highest exponent prime factors to calculate the LCM of 91550 and 91558.

LCM(91550,91558) = 2¹ × 5² × 1831¹ × 45779¹
LCM(91550,91558) = 4191067450