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What is the Least Common Multiple of 31276 and 31285?

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 31276 and 31285 is 978469660.

LCM(31276,31285) = 978469660

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Least Common Multiple of 31276 and 31285 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31276 and 31285, than apply into the LCM equation.

GCF(31276,31285) = 1
LCM(31276,31285) = ( 31276 × 31285) / 1
LCM(31276,31285) = 978469660 / 1
LCM(31276,31285) = 978469660

Least Common Multiple (LCM) of 31276 and 31285 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31276 and 31285. First we will calculate the prime factors of 31276 and 31285.

Prime Factorization of 31276

Prime factors of 31276 are 2, 7, 1117. Prime factorization of 31276 in exponential form is:

31276 = 22 × 71 × 11171

Prime Factorization of 31285

Prime factors of 31285 are 5, 6257. Prime factorization of 31285 in exponential form is:

31285 = 51 × 62571

Now multiplying the highest exponent prime factors to calculate the LCM of 31276 and 31285.

LCM(31276,31285) = 22 × 71 × 11171 × 51 × 62571
LCM(31276,31285) = 978469660