GCF and LCM Calculator Logo

What is the Least Common Multiple of 15743 and 15748?

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 15743 and 15748 is 247920764.

LCM(15743,15748) = 247920764

LCM Calculator and
and

Least Common Multiple of 15743 and 15748 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15743 and 15748, than apply into the LCM equation.

GCF(15743,15748) = 1
LCM(15743,15748) = ( 15743 × 15748) / 1
LCM(15743,15748) = 247920764 / 1
LCM(15743,15748) = 247920764

Least Common Multiple (LCM) of 15743 and 15748 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15743 and 15748. First we will calculate the prime factors of 15743 and 15748.

Prime Factorization of 15743

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

15743 = 71 × 131 × 1731

Prime Factorization of 15748

Prime factors of 15748 are 2, 31, 127. Prime factorization of 15748 in exponential form is:

15748 = 22 × 311 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 15743 and 15748.

LCM(15743,15748) = 71 × 131 × 1731 × 22 × 311 × 1271
LCM(15743,15748) = 247920764