GCF and LCM Calculator Logo

What is the Least Common Multiple of 80605 and 80617?

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 80605 and 80617 is 6498133285.

LCM(80605,80617) = 6498133285

LCM Calculator and
and

Least Common Multiple of 80605 and 80617 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80605 and 80617, than apply into the LCM equation.

GCF(80605,80617) = 1
LCM(80605,80617) = ( 80605 × 80617) / 1
LCM(80605,80617) = 6498133285 / 1
LCM(80605,80617) = 6498133285

Least Common Multiple (LCM) of 80605 and 80617 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80605 and 80617. First we will calculate the prime factors of 80605 and 80617.

Prime Factorization of 80605

Prime factors of 80605 are 5, 7, 47. Prime factorization of 80605 in exponential form is:

80605 = 51 × 73 × 471

Prime Factorization of 80617

Prime factors of 80617 are 19, 4243. Prime factorization of 80617 in exponential form is:

80617 = 191 × 42431

Now multiplying the highest exponent prime factors to calculate the LCM of 80605 and 80617.

LCM(80605,80617) = 51 × 73 × 471 × 191 × 42431
LCM(80605,80617) = 6498133285