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What is the Least Common Multiple of 31611 and 31630?

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 31611 and 31630 is 999855930.

LCM(31611,31630) = 999855930

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Least Common Multiple of 31611 and 31630 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31611 and 31630, than apply into the LCM equation.

GCF(31611,31630) = 1
LCM(31611,31630) = ( 31611 × 31630) / 1
LCM(31611,31630) = 999855930 / 1
LCM(31611,31630) = 999855930

Least Common Multiple (LCM) of 31611 and 31630 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31611 and 31630. First we will calculate the prime factors of 31611 and 31630.

Prime Factorization of 31611

Prime factors of 31611 are 3, 41, 257. Prime factorization of 31611 in exponential form is:

31611 = 31 × 411 × 2571

Prime Factorization of 31630

Prime factors of 31630 are 2, 5, 3163. Prime factorization of 31630 in exponential form is:

31630 = 21 × 51 × 31631

Now multiplying the highest exponent prime factors to calculate the LCM of 31611 and 31630.

LCM(31611,31630) = 31 × 411 × 2571 × 21 × 51 × 31631
LCM(31611,31630) = 999855930