GCF and LCM Calculator Logo

What is the Least Common Multiple of 31360 and 31365?

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 31360 and 31365 is 196721280.

LCM(31360,31365) = 196721280

LCM Calculator and
and

Least Common Multiple of 31360 and 31365 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31360 and 31365, than apply into the LCM equation.

GCF(31360,31365) = 5
LCM(31360,31365) = ( 31360 × 31365) / 5
LCM(31360,31365) = 983606400 / 5
LCM(31360,31365) = 196721280

Least Common Multiple (LCM) of 31360 and 31365 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31360 and 31365. First we will calculate the prime factors of 31360 and 31365.

Prime Factorization of 31360

Prime factors of 31360 are 2, 5, 7. Prime factorization of 31360 in exponential form is:

31360 = 27 × 51 × 72

Prime Factorization of 31365

Prime factors of 31365 are 3, 5, 17, 41. Prime factorization of 31365 in exponential form is:

31365 = 32 × 51 × 171 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 31360 and 31365.

LCM(31360,31365) = 27 × 51 × 72 × 32 × 171 × 411
LCM(31360,31365) = 196721280