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What is the Least Common Multiple of 31585 and 31598?

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 31585 and 31598 is 998022830.

LCM(31585,31598) = 998022830

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Least Common Multiple of 31585 and 31598 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31585 and 31598, than apply into the LCM equation.

GCF(31585,31598) = 1
LCM(31585,31598) = ( 31585 × 31598) / 1
LCM(31585,31598) = 998022830 / 1
LCM(31585,31598) = 998022830

Least Common Multiple (LCM) of 31585 and 31598 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31585 and 31598. First we will calculate the prime factors of 31585 and 31598.

Prime Factorization of 31585

Prime factors of 31585 are 5, 6317. Prime factorization of 31585 in exponential form is:

31585 = 51 × 63171

Prime Factorization of 31598

Prime factors of 31598 are 2, 7, 37, 61. Prime factorization of 31598 in exponential form is:

31598 = 21 × 71 × 371 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 31585 and 31598.

LCM(31585,31598) = 51 × 63171 × 21 × 71 × 371 × 611
LCM(31585,31598) = 998022830