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What is the Least Common Multiple of 31282 and 31300?

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 31282 and 31300 is 489563300.

LCM(31282,31300) = 489563300

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Least Common Multiple of 31282 and 31300 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31282 and 31300, than apply into the LCM equation.

GCF(31282,31300) = 2
LCM(31282,31300) = ( 31282 × 31300) / 2
LCM(31282,31300) = 979126600 / 2
LCM(31282,31300) = 489563300

Least Common Multiple (LCM) of 31282 and 31300 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31282 and 31300. First we will calculate the prime factors of 31282 and 31300.

Prime Factorization of 31282

Prime factors of 31282 are 2, 15641. Prime factorization of 31282 in exponential form is:

31282 = 21 × 156411

Prime Factorization of 31300

Prime factors of 31300 are 2, 5, 313. Prime factorization of 31300 in exponential form is:

31300 = 22 × 52 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 31282 and 31300.

LCM(31282,31300) = 22 × 156411 × 52 × 3131
LCM(31282,31300) = 489563300