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What is the Least Common Multiple of 31256 and 31276?

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 31256 and 31276 is 244390664.

LCM(31256,31276) = 244390664

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Least Common Multiple of 31256 and 31276 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31256 and 31276, than apply into the LCM equation.

GCF(31256,31276) = 4
LCM(31256,31276) = ( 31256 × 31276) / 4
LCM(31256,31276) = 977562656 / 4
LCM(31256,31276) = 244390664

Least Common Multiple (LCM) of 31256 and 31276 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31256 and 31276. First we will calculate the prime factors of 31256 and 31276.

Prime Factorization of 31256

Prime factors of 31256 are 2, 3907. Prime factorization of 31256 in exponential form is:

31256 = 23 × 39071

Prime Factorization of 31276

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

31276 = 22 × 71 × 11171

Now multiplying the highest exponent prime factors to calculate the LCM of 31256 and 31276.

LCM(31256,31276) = 23 × 39071 × 71 × 11171
LCM(31256,31276) = 244390664