What is the Least Common Multiple of 72781 and 72801?

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 72781 and 72801 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72781 and 72801, than apply into the LCM equation.

GCF(72781,72801) = 1
LCM(72781,72801) = ( 72781 × 72801) / 1
LCM(72781,72801) = 5298529581 / 1
LCM(72781,72801) = 5298529581

Least Common Multiple (LCM) of 72781 and 72801 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72781 and 72801. First we will calculate the prime factors of 72781 and 72801.

Prime Factorization of 72781

Prime Factorization of 72801

Now multiplying the highest exponent prime factors to calculate the LCM of 72781 and 72801.

LCM(72781,72801) = 73¹ × 997¹ × 3² × 8089¹
LCM(72781,72801) = 5298529581