What is the Least Common Multiple of 72040 and 72047?

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 72040 and 72047 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72040 and 72047, than apply into the LCM equation.

GCF(72040,72047) = 1
LCM(72040,72047) = ( 72040 × 72047) / 1
LCM(72040,72047) = 5190265880 / 1
LCM(72040,72047) = 5190265880

Least Common Multiple (LCM) of 72040 and 72047 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72040 and 72047. First we will calculate the prime factors of 72040 and 72047.

Prime Factorization of 72040

Prime Factorization of 72047

Now multiplying the highest exponent prime factors to calculate the LCM of 72040 and 72047.

LCM(72040,72047) = 2³ × 5¹ × 1801¹ × 72047¹
LCM(72040,72047) = 5190265880