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What is the Least Common Multiple of 31488 and 31502?

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 31488 and 31502 is 495967488.

LCM(31488,31502) = 495967488

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Least Common Multiple of 31488 and 31502 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31488 and 31502, than apply into the LCM equation.

GCF(31488,31502) = 2
LCM(31488,31502) = ( 31488 × 31502) / 2
LCM(31488,31502) = 991934976 / 2
LCM(31488,31502) = 495967488

Least Common Multiple (LCM) of 31488 and 31502 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31488 and 31502. First we will calculate the prime factors of 31488 and 31502.

Prime Factorization of 31488

Prime factors of 31488 are 2, 3, 41. Prime factorization of 31488 in exponential form is:

31488 = 28 × 31 × 411

Prime Factorization of 31502

Prime factors of 31502 are 2, 19, 829. Prime factorization of 31502 in exponential form is:

31502 = 21 × 191 × 8291

Now multiplying the highest exponent prime factors to calculate the LCM of 31488 and 31502.

LCM(31488,31502) = 28 × 31 × 411 × 191 × 8291
LCM(31488,31502) = 495967488