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What is the Least Common Multiple of 31498 and 31506?

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 31498 and 31506 is 496187994.

LCM(31498,31506) = 496187994

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Least Common Multiple of 31498 and 31506 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31498 and 31506, than apply into the LCM equation.

GCF(31498,31506) = 2
LCM(31498,31506) = ( 31498 × 31506) / 2
LCM(31498,31506) = 992375988 / 2
LCM(31498,31506) = 496187994

Least Common Multiple (LCM) of 31498 and 31506 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31498 and 31506. First we will calculate the prime factors of 31498 and 31506.

Prime Factorization of 31498

Prime factors of 31498 are 2, 15749. Prime factorization of 31498 in exponential form is:

31498 = 21 × 157491

Prime Factorization of 31506

Prime factors of 31506 are 2, 3, 59, 89. Prime factorization of 31506 in exponential form is:

31506 = 21 × 31 × 591 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 31498 and 31506.

LCM(31498,31506) = 21 × 157491 × 31 × 591 × 891
LCM(31498,31506) = 496187994