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What is the Least Common Multiple of 31717 and 31725?

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 31717 and 31725 is 1006221825.

LCM(31717,31725) = 1006221825

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Least Common Multiple of 31717 and 31725 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31717 and 31725, than apply into the LCM equation.

GCF(31717,31725) = 1
LCM(31717,31725) = ( 31717 × 31725) / 1
LCM(31717,31725) = 1006221825 / 1
LCM(31717,31725) = 1006221825

Least Common Multiple (LCM) of 31717 and 31725 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31717 and 31725. First we will calculate the prime factors of 31717 and 31725.

Prime Factorization of 31717

Prime factors of 31717 are 7, 23, 197. Prime factorization of 31717 in exponential form is:

31717 = 71 × 231 × 1971

Prime Factorization of 31725

Prime factors of 31725 are 3, 5, 47. Prime factorization of 31725 in exponential form is:

31725 = 33 × 52 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 31717 and 31725.

LCM(31717,31725) = 71 × 231 × 1971 × 33 × 52 × 471
LCM(31717,31725) = 1006221825