What is the Least Common Multiple of 72545 and 72557?

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 72545 and 72557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72545 and 72557, than apply into the LCM equation.

GCF(72545,72557) = 1
LCM(72545,72557) = ( 72545 × 72557) / 1
LCM(72545,72557) = 5263647565 / 1
LCM(72545,72557) = 5263647565

Least Common Multiple (LCM) of 72545 and 72557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72545 and 72557. First we will calculate the prime factors of 72545 and 72557.

Prime Factorization of 72545

Prime Factorization of 72557

Now multiplying the highest exponent prime factors to calculate the LCM of 72545 and 72557.

LCM(72545,72557) = 5¹ × 11¹ × 1319¹ × 37² × 53¹
LCM(72545,72557) = 5263647565