GCF and LCM Calculator Logo

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 (LCM) of 30605 and 30615 is 187394415.

LCM(30605,30615) = 187394415

LCM Calculator and
and

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 factors of 30605 are 5, 6121. Prime factorization of 30605 in exponential form is:

30605 = 51 × 61211

Prime Factorization of 30615

Prime factors of 30615 are 3, 5, 13, 157. Prime factorization of 30615 in exponential form is:

30615 = 31 × 51 × 131 × 1571

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