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What is the Least Common Multiple of 31530 and 31549?

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 31530 and 31549 is 994739970.

LCM(31530,31549) = 994739970

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Least Common Multiple of 31530 and 31549 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31530 and 31549, than apply into the LCM equation.

GCF(31530,31549) = 1
LCM(31530,31549) = ( 31530 × 31549) / 1
LCM(31530,31549) = 994739970 / 1
LCM(31530,31549) = 994739970

Least Common Multiple (LCM) of 31530 and 31549 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31530 and 31549. First we will calculate the prime factors of 31530 and 31549.

Prime Factorization of 31530

Prime factors of 31530 are 2, 3, 5, 1051. Prime factorization of 31530 in exponential form is:

31530 = 21 × 31 × 51 × 10511

Prime Factorization of 31549

Prime factors of 31549 are 7, 4507. Prime factorization of 31549 in exponential form is:

31549 = 71 × 45071

Now multiplying the highest exponent prime factors to calculate the LCM of 31530 and 31549.

LCM(31530,31549) = 21 × 31 × 51 × 10511 × 71 × 45071
LCM(31530,31549) = 994739970