What is the Least Common Multiple of 72278 and 72291?

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 72278 and 72291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72278 and 72291, than apply into the LCM equation.

GCF(72278,72291) = 1
LCM(72278,72291) = ( 72278 × 72291) / 1
LCM(72278,72291) = 5225048898 / 1
LCM(72278,72291) = 5225048898

Least Common Multiple (LCM) of 72278 and 72291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72278 and 72291. First we will calculate the prime factors of 72278 and 72291.

Prime Factorization of 72278

Prime Factorization of 72291

Now multiplying the highest exponent prime factors to calculate the LCM of 72278 and 72291.

LCM(72278,72291) = 2¹ × 71¹ × 509¹ × 3¹ × 24097¹
LCM(72278,72291) = 5225048898