GCF and LCM Calculator Logo

What is the Least Common Multiple of 15657 and 15673?

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 15657 and 15673 is 245392161.

LCM(15657,15673) = 245392161

LCM Calculator and
and

Least Common Multiple of 15657 and 15673 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15657 and 15673, than apply into the LCM equation.

GCF(15657,15673) = 1
LCM(15657,15673) = ( 15657 × 15673) / 1
LCM(15657,15673) = 245392161 / 1
LCM(15657,15673) = 245392161

Least Common Multiple (LCM) of 15657 and 15673 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15657 and 15673. First we will calculate the prime factors of 15657 and 15673.

Prime Factorization of 15657

Prime factors of 15657 are 3, 17, 307. Prime factorization of 15657 in exponential form is:

15657 = 31 × 171 × 3071

Prime Factorization of 15673

Prime factors of 15673 are 7, 2239. Prime factorization of 15673 in exponential form is:

15673 = 71 × 22391

Now multiplying the highest exponent prime factors to calculate the LCM of 15657 and 15673.

LCM(15657,15673) = 31 × 171 × 3071 × 71 × 22391
LCM(15657,15673) = 245392161