GCF and LCM Calculator Logo

What is the Least Common Multiple of 15903 and 15907?

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 15903 and 15907 is 252969021.

LCM(15903,15907) = 252969021

LCM Calculator and
and

Least Common Multiple of 15903 and 15907 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15903 and 15907, than apply into the LCM equation.

GCF(15903,15907) = 1
LCM(15903,15907) = ( 15903 × 15907) / 1
LCM(15903,15907) = 252969021 / 1
LCM(15903,15907) = 252969021

Least Common Multiple (LCM) of 15903 and 15907 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15903 and 15907. First we will calculate the prime factors of 15903 and 15907.

Prime Factorization of 15903

Prime factors of 15903 are 3, 19, 31. Prime factorization of 15903 in exponential form is:

15903 = 33 × 191 × 311

Prime Factorization of 15907

Prime factors of 15907 are 15907. Prime factorization of 15907 in exponential form is:

15907 = 159071

Now multiplying the highest exponent prime factors to calculate the LCM of 15903 and 15907.

LCM(15903,15907) = 33 × 191 × 311 × 159071
LCM(15903,15907) = 252969021