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What is the Least Common Multiple of 31059 and 31073?

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 31059 and 31073 is 137870901.

LCM(31059,31073) = 137870901

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Least Common Multiple of 31059 and 31073 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31059 and 31073, than apply into the LCM equation.

GCF(31059,31073) = 7
LCM(31059,31073) = ( 31059 × 31073) / 7
LCM(31059,31073) = 965096307 / 7
LCM(31059,31073) = 137870901

Least Common Multiple (LCM) of 31059 and 31073 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31059 and 31073. First we will calculate the prime factors of 31059 and 31073.

Prime Factorization of 31059

Prime factors of 31059 are 3, 7, 17, 29. Prime factorization of 31059 in exponential form is:

31059 = 32 × 71 × 171 × 291

Prime Factorization of 31073

Prime factors of 31073 are 7, 23, 193. Prime factorization of 31073 in exponential form is:

31073 = 71 × 231 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 31059 and 31073.

LCM(31059,31073) = 32 × 71 × 171 × 291 × 231 × 1931
LCM(31059,31073) = 137870901