What is the Least Common Multiple of 72057 and 72065?

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 72057 and 72065 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72057 and 72065, than apply into the LCM equation.

GCF(72057,72065) = 1
LCM(72057,72065) = ( 72057 × 72065) / 1
LCM(72057,72065) = 5192787705 / 1
LCM(72057,72065) = 5192787705

Least Common Multiple (LCM) of 72057 and 72065 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72057 and 72065. First we will calculate the prime factors of 72057 and 72065.

Prime Factorization of 72057

Prime Factorization of 72065

Now multiplying the highest exponent prime factors to calculate the LCM of 72057 and 72065.

LCM(72057,72065) = 3¹ × 24019¹ × 5¹ × 7¹ × 29¹ × 71¹
LCM(72057,72065) = 5192787705