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What is the Least Common Multiple of 13470 and 13487?

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 13470 and 13487 is 181669890.

LCM(13470,13487) = 181669890

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Least Common Multiple of 13470 and 13487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13470 and 13487, than apply into the LCM equation.

GCF(13470,13487) = 1
LCM(13470,13487) = ( 13470 × 13487) / 1
LCM(13470,13487) = 181669890 / 1
LCM(13470,13487) = 181669890

Least Common Multiple (LCM) of 13470 and 13487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13470 and 13487. First we will calculate the prime factors of 13470 and 13487.

Prime Factorization of 13470

Prime factors of 13470 are 2, 3, 5, 449. Prime factorization of 13470 in exponential form is:

13470 = 21 × 31 × 51 × 4491

Prime Factorization of 13487

Prime factors of 13487 are 13487. Prime factorization of 13487 in exponential form is:

13487 = 134871

Now multiplying the highest exponent prime factors to calculate the LCM of 13470 and 13487.

LCM(13470,13487) = 21 × 31 × 51 × 4491 × 134871
LCM(13470,13487) = 181669890