GCF and LCM Calculator Logo

What is the Least Common Multiple of 40291 and 40309?

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 40291 and 40309 is 1624089919.

LCM(40291,40309) = 1624089919

LCM Calculator and
and

Least Common Multiple of 40291 and 40309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40291 and 40309, than apply into the LCM equation.

GCF(40291,40309) = 1
LCM(40291,40309) = ( 40291 × 40309) / 1
LCM(40291,40309) = 1624089919 / 1
LCM(40291,40309) = 1624089919

Least Common Multiple (LCM) of 40291 and 40309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40291 and 40309. First we will calculate the prime factors of 40291 and 40309.

Prime Factorization of 40291

Prime factors of 40291 are 43, 937. Prime factorization of 40291 in exponential form is:

40291 = 431 × 9371

Prime Factorization of 40309

Prime factors of 40309 are 173, 233. Prime factorization of 40309 in exponential form is:

40309 = 1731 × 2331

Now multiplying the highest exponent prime factors to calculate the LCM of 40291 and 40309.

LCM(40291,40309) = 431 × 9371 × 1731 × 2331
LCM(40291,40309) = 1624089919