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What is the Least Common Multiple of 31842 and 31852?

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 31842 and 31852 is 507115692.

LCM(31842,31852) = 507115692

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Least Common Multiple of 31842 and 31852 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31842 and 31852, than apply into the LCM equation.

GCF(31842,31852) = 2
LCM(31842,31852) = ( 31842 × 31852) / 2
LCM(31842,31852) = 1014231384 / 2
LCM(31842,31852) = 507115692

Least Common Multiple (LCM) of 31842 and 31852 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31842 and 31852. First we will calculate the prime factors of 31842 and 31852.

Prime Factorization of 31842

Prime factors of 31842 are 2, 3, 29, 61. Prime factorization of 31842 in exponential form is:

31842 = 21 × 32 × 291 × 611

Prime Factorization of 31852

Prime factors of 31852 are 2, 7963. Prime factorization of 31852 in exponential form is:

31852 = 22 × 79631

Now multiplying the highest exponent prime factors to calculate the LCM of 31842 and 31852.

LCM(31842,31852) = 22 × 32 × 291 × 611 × 79631
LCM(31842,31852) = 507115692