What is the Least Common Multiple of 72090 and 72104?

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 72090 and 72104 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72090 and 72104, than apply into the LCM equation.

GCF(72090,72104) = 2
LCM(72090,72104) = ( 72090 × 72104) / 2
LCM(72090,72104) = 5197977360 / 2
LCM(72090,72104) = 2598988680

Least Common Multiple (LCM) of 72090 and 72104 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72090 and 72104. First we will calculate the prime factors of 72090 and 72104.

Prime Factorization of 72090

Prime Factorization of 72104

Now multiplying the highest exponent prime factors to calculate the LCM of 72090 and 72104.

LCM(72090,72104) = 2³ × 3⁴ × 5¹ × 89¹ × 9013¹
LCM(72090,72104) = 2598988680