GCF and LCM Calculator Logo

What is the Least Common Multiple of 18898 and 18905?

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 18898 and 18905 is 357266690.

LCM(18898,18905) = 357266690

LCM Calculator and
and

Least Common Multiple of 18898 and 18905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18898 and 18905, than apply into the LCM equation.

GCF(18898,18905) = 1
LCM(18898,18905) = ( 18898 × 18905) / 1
LCM(18898,18905) = 357266690 / 1
LCM(18898,18905) = 357266690

Least Common Multiple (LCM) of 18898 and 18905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18898 and 18905. First we will calculate the prime factors of 18898 and 18905.

Prime Factorization of 18898

Prime factors of 18898 are 2, 11, 859. Prime factorization of 18898 in exponential form is:

18898 = 21 × 111 × 8591

Prime Factorization of 18905

Prime factors of 18905 are 5, 19, 199. Prime factorization of 18905 in exponential form is:

18905 = 51 × 191 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 18898 and 18905.

LCM(18898,18905) = 21 × 111 × 8591 × 51 × 191 × 1991
LCM(18898,18905) = 357266690