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What is the Least Common Multiple of 31832 and 31842?

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 31832 and 31842 is 506797272.

LCM(31832,31842) = 506797272

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Least Common Multiple of 31832 and 31842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31832 and 31842, than apply into the LCM equation.

GCF(31832,31842) = 2
LCM(31832,31842) = ( 31832 × 31842) / 2
LCM(31832,31842) = 1013594544 / 2
LCM(31832,31842) = 506797272

Least Common Multiple (LCM) of 31832 and 31842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31832 and 31842. First we will calculate the prime factors of 31832 and 31842.

Prime Factorization of 31832

Prime factors of 31832 are 2, 23, 173. Prime factorization of 31832 in exponential form is:

31832 = 23 × 231 × 1731

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

Now multiplying the highest exponent prime factors to calculate the LCM of 31832 and 31842.

LCM(31832,31842) = 23 × 231 × 1731 × 32 × 291 × 611
LCM(31832,31842) = 506797272