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What is the Least Common Multiple of 10906 and 10915?

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 10906 and 10915 is 119038990.

LCM(10906,10915) = 119038990

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Least Common Multiple of 10906 and 10915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10906 and 10915, than apply into the LCM equation.

GCF(10906,10915) = 1
LCM(10906,10915) = ( 10906 × 10915) / 1
LCM(10906,10915) = 119038990 / 1
LCM(10906,10915) = 119038990

Least Common Multiple (LCM) of 10906 and 10915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10906 and 10915. First we will calculate the prime factors of 10906 and 10915.

Prime Factorization of 10906

Prime factors of 10906 are 2, 7, 19, 41. Prime factorization of 10906 in exponential form is:

10906 = 21 × 71 × 191 × 411

Prime Factorization of 10915

Prime factors of 10915 are 5, 37, 59. Prime factorization of 10915 in exponential form is:

10915 = 51 × 371 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 10906 and 10915.

LCM(10906,10915) = 21 × 71 × 191 × 411 × 51 × 371 × 591
LCM(10906,10915) = 119038990