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What is the Least Common Multiple of 12910 and 12915?

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 12910 and 12915 is 33346530.

LCM(12910,12915) = 33346530

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Least Common Multiple of 12910 and 12915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12910 and 12915, than apply into the LCM equation.

GCF(12910,12915) = 5
LCM(12910,12915) = ( 12910 × 12915) / 5
LCM(12910,12915) = 166732650 / 5
LCM(12910,12915) = 33346530

Least Common Multiple (LCM) of 12910 and 12915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12910 and 12915. First we will calculate the prime factors of 12910 and 12915.

Prime Factorization of 12910

Prime factors of 12910 are 2, 5, 1291. Prime factorization of 12910 in exponential form is:

12910 = 21 × 51 × 12911

Prime Factorization of 12915

Prime factors of 12915 are 3, 5, 7, 41. Prime factorization of 12915 in exponential form is:

12915 = 32 × 51 × 71 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 12910 and 12915.

LCM(12910,12915) = 21 × 51 × 12911 × 32 × 71 × 411
LCM(12910,12915) = 33346530