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What is the Least Common Multiple of 12015 and 12031?

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 12015 and 12031 is 144552465.

LCM(12015,12031) = 144552465

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Least Common Multiple of 12015 and 12031 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12015 and 12031, than apply into the LCM equation.

GCF(12015,12031) = 1
LCM(12015,12031) = ( 12015 × 12031) / 1
LCM(12015,12031) = 144552465 / 1
LCM(12015,12031) = 144552465

Least Common Multiple (LCM) of 12015 and 12031 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12015 and 12031. First we will calculate the prime factors of 12015 and 12031.

Prime Factorization of 12015

Prime factors of 12015 are 3, 5, 89. Prime factorization of 12015 in exponential form is:

12015 = 33 × 51 × 891

Prime Factorization of 12031

Prime factors of 12031 are 53, 227. Prime factorization of 12031 in exponential form is:

12031 = 531 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 12015 and 12031.

LCM(12015,12031) = 33 × 51 × 891 × 531 × 2271
LCM(12015,12031) = 144552465