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What is the Least Common Multiple of 12476 and 12480?

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 12476 and 12480 is 38925120.

LCM(12476,12480) = 38925120

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Least Common Multiple of 12476 and 12480 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12476 and 12480, than apply into the LCM equation.

GCF(12476,12480) = 4
LCM(12476,12480) = ( 12476 × 12480) / 4
LCM(12476,12480) = 155700480 / 4
LCM(12476,12480) = 38925120

Least Common Multiple (LCM) of 12476 and 12480 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12476 and 12480. First we will calculate the prime factors of 12476 and 12480.

Prime Factorization of 12476

Prime factors of 12476 are 2, 3119. Prime factorization of 12476 in exponential form is:

12476 = 22 × 31191

Prime Factorization of 12480

Prime factors of 12480 are 2, 3, 5, 13. Prime factorization of 12480 in exponential form is:

12480 = 26 × 31 × 51 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 12476 and 12480.

LCM(12476,12480) = 26 × 31191 × 31 × 51 × 131
LCM(12476,12480) = 38925120