What is the Least Common Multiple of 74290 and 74308?

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 74290 and 74308 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74290 and 74308, than apply into the LCM equation.

GCF(74290,74308) = 2
LCM(74290,74308) = ( 74290 × 74308) / 2
LCM(74290,74308) = 5520341320 / 2
LCM(74290,74308) = 2760170660

Least Common Multiple (LCM) of 74290 and 74308 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74290 and 74308. First we will calculate the prime factors of 74290 and 74308.

Prime Factorization of 74290

Prime Factorization of 74308

Now multiplying the highest exponent prime factors to calculate the LCM of 74290 and 74308.

LCM(74290,74308) = 2² × 5¹ × 17¹ × 19¹ × 23¹ × 13¹ × 1429¹
LCM(74290,74308) = 2760170660