What is the Least Common Multiple of 57470 and 57490?

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 57470 and 57490 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57470 and 57490, than apply into the LCM equation.

GCF(57470,57490) = 10
LCM(57470,57490) = ( 57470 × 57490) / 10
LCM(57470,57490) = 3303950300 / 10
LCM(57470,57490) = 330395030

Least Common Multiple (LCM) of 57470 and 57490 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57470 and 57490. First we will calculate the prime factors of 57470 and 57490.

Prime Factorization of 57470

Prime Factorization of 57490

Now multiplying the highest exponent prime factors to calculate the LCM of 57470 and 57490.

LCM(57470,57490) = 2¹ × 5¹ × 7¹ × 821¹ × 5749¹
LCM(57470,57490) = 330395030