What is the Least Common Multiple of 74489 and 74493?

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 74489 and 74493 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74489 and 74493, than apply into the LCM equation.

GCF(74489,74493) = 1
LCM(74489,74493) = ( 74489 × 74493) / 1
LCM(74489,74493) = 5548909077 / 1
LCM(74489,74493) = 5548909077

Least Common Multiple (LCM) of 74489 and 74493 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74489 and 74493. First we will calculate the prime factors of 74489 and 74493.

Prime Factorization of 74489

Prime Factorization of 74493

Now multiplying the highest exponent prime factors to calculate the LCM of 74489 and 74493.

LCM(74489,74493) = 74489¹ × 3³ × 31¹ × 89¹
LCM(74489,74493) = 5548909077