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What is the Least Common Multiple of 31533 and 31542?

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 31533 and 31542 is 331537962.

LCM(31533,31542) = 331537962

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Least Common Multiple of 31533 and 31542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31533 and 31542, than apply into the LCM equation.

GCF(31533,31542) = 3
LCM(31533,31542) = ( 31533 × 31542) / 3
LCM(31533,31542) = 994613886 / 3
LCM(31533,31542) = 331537962

Least Common Multiple (LCM) of 31533 and 31542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31533 and 31542. First we will calculate the prime factors of 31533 and 31542.

Prime Factorization of 31533

Prime factors of 31533 are 3, 23, 457. Prime factorization of 31533 in exponential form is:

31533 = 31 × 231 × 4571

Prime Factorization of 31542

Prime factors of 31542 are 2, 3, 7, 751. Prime factorization of 31542 in exponential form is:

31542 = 21 × 31 × 71 × 7511

Now multiplying the highest exponent prime factors to calculate the LCM of 31533 and 31542.

LCM(31533,31542) = 31 × 231 × 4571 × 21 × 71 × 7511
LCM(31533,31542) = 331537962