What is the Least Common Multiple of 72857 and 72863?

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 72857 and 72863 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72857 and 72863, than apply into the LCM equation.

GCF(72857,72863) = 1
LCM(72857,72863) = ( 72857 × 72863) / 1
LCM(72857,72863) = 5308579591 / 1
LCM(72857,72863) = 5308579591

Least Common Multiple (LCM) of 72857 and 72863 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72857 and 72863. First we will calculate the prime factors of 72857 and 72863.

Prime Factorization of 72857

Prime Factorization of 72863

Now multiplying the highest exponent prime factors to calculate the LCM of 72857 and 72863.

LCM(72857,72863) = 41¹ × 1777¹ × 7² × 1487¹
LCM(72857,72863) = 5308579591