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What is the Least Common Multiple of 13490 and 13503?

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 13490 and 13503 is 182155470.

LCM(13490,13503) = 182155470

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Least Common Multiple of 13490 and 13503 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13490 and 13503, than apply into the LCM equation.

GCF(13490,13503) = 1
LCM(13490,13503) = ( 13490 × 13503) / 1
LCM(13490,13503) = 182155470 / 1
LCM(13490,13503) = 182155470

Least Common Multiple (LCM) of 13490 and 13503 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13490 and 13503. First we will calculate the prime factors of 13490 and 13503.

Prime Factorization of 13490

Prime factors of 13490 are 2, 5, 19, 71. Prime factorization of 13490 in exponential form is:

13490 = 21 × 51 × 191 × 711

Prime Factorization of 13503

Prime factors of 13503 are 3, 7, 643. Prime factorization of 13503 in exponential form is:

13503 = 31 × 71 × 6431

Now multiplying the highest exponent prime factors to calculate the LCM of 13490 and 13503.

LCM(13490,13503) = 21 × 51 × 191 × 711 × 31 × 71 × 6431
LCM(13490,13503) = 182155470