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What is the Least Common Multiple of 31437 and 31451?

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 31437 and 31451 is 141246441.

LCM(31437,31451) = 141246441

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Least Common Multiple of 31437 and 31451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31437 and 31451, than apply into the LCM equation.

GCF(31437,31451) = 7
LCM(31437,31451) = ( 31437 × 31451) / 7
LCM(31437,31451) = 988725087 / 7
LCM(31437,31451) = 141246441

Least Common Multiple (LCM) of 31437 and 31451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31437 and 31451. First we will calculate the prime factors of 31437 and 31451.

Prime Factorization of 31437

Prime factors of 31437 are 3, 7, 499. Prime factorization of 31437 in exponential form is:

31437 = 32 × 71 × 4991

Prime Factorization of 31451

Prime factors of 31451 are 7, 4493. Prime factorization of 31451 in exponential form is:

31451 = 71 × 44931

Now multiplying the highest exponent prime factors to calculate the LCM of 31437 and 31451.

LCM(31437,31451) = 32 × 71 × 4991 × 44931
LCM(31437,31451) = 141246441