GCF and LCM Calculator Logo

What is the Least Common Multiple of 15725 and 15743?

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 15725 and 15743 is 247558675.

LCM(15725,15743) = 247558675

LCM Calculator and
and

Least Common Multiple of 15725 and 15743 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15725 and 15743, than apply into the LCM equation.

GCF(15725,15743) = 1
LCM(15725,15743) = ( 15725 × 15743) / 1
LCM(15725,15743) = 247558675 / 1
LCM(15725,15743) = 247558675

Least Common Multiple (LCM) of 15725 and 15743 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15725 and 15743. First we will calculate the prime factors of 15725 and 15743.

Prime Factorization of 15725

Prime factors of 15725 are 5, 17, 37. Prime factorization of 15725 in exponential form is:

15725 = 52 × 171 × 371

Prime Factorization of 15743

Prime factors of 15743 are 7, 13, 173. Prime factorization of 15743 in exponential form is:

15743 = 71 × 131 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 15725 and 15743.

LCM(15725,15743) = 52 × 171 × 371 × 71 × 131 × 1731
LCM(15725,15743) = 247558675