What is the Least Common Multiple of 72545 and 72556?

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 72556 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 72556, than apply into the LCM equation.

GCF(72545,72556) = 11
LCM(72545,72556) = ( 72545 × 72556) / 11
LCM(72545,72556) = 5263575020 / 11
LCM(72545,72556) = 478506820

Least Common Multiple (LCM) of 72545 and 72556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72545 and 72556. First we will calculate the prime factors of 72545 and 72556.

Prime Factorization of 72545

Prime Factorization of 72556

Now multiplying the highest exponent prime factors to calculate the LCM of 72545 and 72556.

LCM(72545,72556) = 5¹ × 11¹ × 1319¹ × 2² × 17¹ × 97¹
LCM(72545,72556) = 478506820