What is the Least Common Multiple of 75605 and 75615?

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 75605 and 75615 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75605 and 75615, than apply into the LCM equation.

GCF(75605,75615) = 5
LCM(75605,75615) = ( 75605 × 75615) / 5
LCM(75605,75615) = 5716872075 / 5
LCM(75605,75615) = 1143374415

Least Common Multiple (LCM) of 75605 and 75615 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75605 and 75615. First we will calculate the prime factors of 75605 and 75615.

Prime Factorization of 75605

Prime Factorization of 75615

Now multiplying the highest exponent prime factors to calculate the LCM of 75605 and 75615.

LCM(75605,75615) = 5¹ × 15121¹ × 3¹ × 71²
LCM(75605,75615) = 1143374415