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What is the Least Common Multiple of 10491 and 10497?

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 10491 and 10497 is 36708009.

LCM(10491,10497) = 36708009

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Least Common Multiple of 10491 and 10497 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10491 and 10497, than apply into the LCM equation.

GCF(10491,10497) = 3
LCM(10491,10497) = ( 10491 × 10497) / 3
LCM(10491,10497) = 110124027 / 3
LCM(10491,10497) = 36708009

Least Common Multiple (LCM) of 10491 and 10497 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10491 and 10497. First we will calculate the prime factors of 10491 and 10497.

Prime Factorization of 10491

Prime factors of 10491 are 3, 13, 269. Prime factorization of 10491 in exponential form is:

10491 = 31 × 131 × 2691

Prime Factorization of 10497

Prime factors of 10497 are 3, 3499. Prime factorization of 10497 in exponential form is:

10497 = 31 × 34991

Now multiplying the highest exponent prime factors to calculate the LCM of 10491 and 10497.

LCM(10491,10497) = 31 × 131 × 2691 × 34991
LCM(10491,10497) = 36708009