GCF and LCM Calculator Logo

What is the Least Common Multiple of 17898 and 17915?

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 17898 and 17915 is 320642670.

LCM(17898,17915) = 320642670

LCM Calculator and
and

Least Common Multiple of 17898 and 17915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17898 and 17915, than apply into the LCM equation.

GCF(17898,17915) = 1
LCM(17898,17915) = ( 17898 × 17915) / 1
LCM(17898,17915) = 320642670 / 1
LCM(17898,17915) = 320642670

Least Common Multiple (LCM) of 17898 and 17915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17898 and 17915. First we will calculate the prime factors of 17898 and 17915.

Prime Factorization of 17898

Prime factors of 17898 are 2, 3, 19, 157. Prime factorization of 17898 in exponential form is:

17898 = 21 × 31 × 191 × 1571

Prime Factorization of 17915

Prime factors of 17915 are 5, 3583. Prime factorization of 17915 in exponential form is:

17915 = 51 × 35831

Now multiplying the highest exponent prime factors to calculate the LCM of 17898 and 17915.

LCM(17898,17915) = 21 × 31 × 191 × 1571 × 51 × 35831
LCM(17898,17915) = 320642670