GCF and LCM Calculator Logo

What is the Least Common Multiple of 16851 and 16857?

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 16851 and 16857 is 94685769.

LCM(16851,16857) = 94685769

LCM Calculator and
and

Least Common Multiple of 16851 and 16857 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16851 and 16857, than apply into the LCM equation.

GCF(16851,16857) = 3
LCM(16851,16857) = ( 16851 × 16857) / 3
LCM(16851,16857) = 284057307 / 3
LCM(16851,16857) = 94685769

Least Common Multiple (LCM) of 16851 and 16857 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16851 and 16857. First we will calculate the prime factors of 16851 and 16857.

Prime Factorization of 16851

Prime factors of 16851 are 3, 41, 137. Prime factorization of 16851 in exponential form is:

16851 = 31 × 411 × 1371

Prime Factorization of 16857

Prime factors of 16857 are 3, 1873. Prime factorization of 16857 in exponential form is:

16857 = 32 × 18731

Now multiplying the highest exponent prime factors to calculate the LCM of 16851 and 16857.

LCM(16851,16857) = 32 × 411 × 1371 × 18731
LCM(16851,16857) = 94685769