What is the Least Common Multiple of 70473 and 70491?

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 70473 and 70491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70473 and 70491, than apply into the LCM equation.

GCF(70473,70491) = 3
LCM(70473,70491) = ( 70473 × 70491) / 3
LCM(70473,70491) = 4967712243 / 3
LCM(70473,70491) = 1655904081

Least Common Multiple (LCM) of 70473 and 70491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70473 and 70491. First we will calculate the prime factors of 70473 and 70491.

Prime Factorization of 70473

Prime Factorization of 70491

Now multiplying the highest exponent prime factors to calculate the LCM of 70473 and 70491.

LCM(70473,70491) = 3¹ × 13² × 139¹ × 23497¹
LCM(70473,70491) = 1655904081