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What is the Least Common Multiple of 31506 and 31514?

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 31506 and 31514 is 496440042.

LCM(31506,31514) = 496440042

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Least Common Multiple of 31506 and 31514 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31506 and 31514, than apply into the LCM equation.

GCF(31506,31514) = 2
LCM(31506,31514) = ( 31506 × 31514) / 2
LCM(31506,31514) = 992880084 / 2
LCM(31506,31514) = 496440042

Least Common Multiple (LCM) of 31506 and 31514 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31506 and 31514. First we will calculate the prime factors of 31506 and 31514.

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

Prime Factorization of 31514

Prime factors of 31514 are 2, 7, 2251. Prime factorization of 31514 in exponential form is:

31514 = 21 × 71 × 22511

Now multiplying the highest exponent prime factors to calculate the LCM of 31506 and 31514.

LCM(31506,31514) = 21 × 31 × 591 × 891 × 71 × 22511
LCM(31506,31514) = 496440042