What is the Least Common Multiple of 30605 and 30615?

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 30605 and 30615 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30605 and 30615, than apply into the LCM equation.

GCF(30605,30615) = 5
LCM(30605,30615) = ( 30605 × 30615) / 5
LCM(30605,30615) = 936972075 / 5
LCM(30605,30615) = 187394415

Least Common Multiple (LCM) of 30605 and 30615 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30605 and 30615. First we will calculate the prime factors of 30605 and 30615.

Prime Factorization of 30605

Prime Factorization of 30615

Now multiplying the highest exponent prime factors to calculate the LCM of 30605 and 30615.

LCM(30605,30615) = 5¹ × 6121¹ × 3¹ × 13¹ × 157¹
LCM(30605,30615) = 187394415