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What is the Least Common Multiple of 31645 and 31659?

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 31645 and 31659 is 1001849055.

LCM(31645,31659) = 1001849055

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Least Common Multiple of 31645 and 31659 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31645 and 31659, than apply into the LCM equation.

GCF(31645,31659) = 1
LCM(31645,31659) = ( 31645 × 31659) / 1
LCM(31645,31659) = 1001849055 / 1
LCM(31645,31659) = 1001849055

Least Common Multiple (LCM) of 31645 and 31659 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31645 and 31659. First we will calculate the prime factors of 31645 and 31659.

Prime Factorization of 31645

Prime factors of 31645 are 5, 6329. Prime factorization of 31645 in exponential form is:

31645 = 51 × 63291

Prime Factorization of 31659

Prime factors of 31659 are 3, 61, 173. Prime factorization of 31659 in exponential form is:

31659 = 31 × 611 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 31645 and 31659.

LCM(31645,31659) = 51 × 63291 × 31 × 611 × 1731
LCM(31645,31659) = 1001849055