What is the Least Common Multiple of 91538 and 91556?

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 91538 and 91556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91538 and 91556, than apply into the LCM equation.

GCF(91538,91556) = 2
LCM(91538,91556) = ( 91538 × 91556) / 2
LCM(91538,91556) = 8380853128 / 2
LCM(91538,91556) = 4190426564

Least Common Multiple (LCM) of 91538 and 91556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91538 and 91556. First we will calculate the prime factors of 91538 and 91556.

Prime Factorization of 91538

Prime Factorization of 91556

Now multiplying the highest exponent prime factors to calculate the LCM of 91538 and 91556.

LCM(91538,91556) = 2² × 37¹ × 1237¹ × 47¹ × 487¹
LCM(91538,91556) = 4190426564