GCF and LCM Calculator Logo

What is the Least Common Multiple of 31289 and 31297?

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 31289 and 31297 is 979251833.

LCM(31289,31297) = 979251833

LCM Calculator and
and

Least Common Multiple of 31289 and 31297 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31289 and 31297, than apply into the LCM equation.

GCF(31289,31297) = 1
LCM(31289,31297) = ( 31289 × 31297) / 1
LCM(31289,31297) = 979251833 / 1
LCM(31289,31297) = 979251833

Least Common Multiple (LCM) of 31289 and 31297 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31289 and 31297. First we will calculate the prime factors of 31289 and 31297.

Prime Factorization of 31289

Prime factors of 31289 are 67, 467. Prime factorization of 31289 in exponential form is:

31289 = 671 × 4671

Prime Factorization of 31297

Prime factors of 31297 are 7, 17, 263. Prime factorization of 31297 in exponential form is:

31297 = 71 × 171 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 31289 and 31297.

LCM(31289,31297) = 671 × 4671 × 71 × 171 × 2631
LCM(31289,31297) = 979251833