What is the Least Common Multiple of 90553 and 90557?

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 90553 and 90557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90553 and 90557, than apply into the LCM equation.

GCF(90553,90557) = 1
LCM(90553,90557) = ( 90553 × 90557) / 1
LCM(90553,90557) = 8200208021 / 1
LCM(90553,90557) = 8200208021

Least Common Multiple (LCM) of 90553 and 90557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90553 and 90557. First we will calculate the prime factors of 90553 and 90557.

Prime Factorization of 90553

Prime Factorization of 90557

Now multiplying the highest exponent prime factors to calculate the LCM of 90553 and 90557.

LCM(90553,90557) = 83¹ × 1091¹ × 137¹ × 661¹
LCM(90553,90557) = 8200208021