GCF and LCM Calculator Logo

What is the Least Common Multiple of 17805 and 17818?

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 17805 and 17818 is 317249490.

LCM(17805,17818) = 317249490

LCM Calculator and
and

Least Common Multiple of 17805 and 17818 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17805 and 17818, than apply into the LCM equation.

GCF(17805,17818) = 1
LCM(17805,17818) = ( 17805 × 17818) / 1
LCM(17805,17818) = 317249490 / 1
LCM(17805,17818) = 317249490

Least Common Multiple (LCM) of 17805 and 17818 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17805 and 17818. First we will calculate the prime factors of 17805 and 17818.

Prime Factorization of 17805

Prime factors of 17805 are 3, 5, 1187. Prime factorization of 17805 in exponential form is:

17805 = 31 × 51 × 11871

Prime Factorization of 17818

Prime factors of 17818 are 2, 59, 151. Prime factorization of 17818 in exponential form is:

17818 = 21 × 591 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 17805 and 17818.

LCM(17805,17818) = 31 × 51 × 11871 × 21 × 591 × 1511
LCM(17805,17818) = 317249490