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What is the Least Common Multiple of 17490 and 17507?

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 17490 and 17507 is 306197430.

LCM(17490,17507) = 306197430

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Least Common Multiple of 17490 and 17507 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17490 and 17507, than apply into the LCM equation.

GCF(17490,17507) = 1
LCM(17490,17507) = ( 17490 × 17507) / 1
LCM(17490,17507) = 306197430 / 1
LCM(17490,17507) = 306197430

Least Common Multiple (LCM) of 17490 and 17507 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17490 and 17507. First we will calculate the prime factors of 17490 and 17507.

Prime Factorization of 17490

Prime factors of 17490 are 2, 3, 5, 11, 53. Prime factorization of 17490 in exponential form is:

17490 = 21 × 31 × 51 × 111 × 531

Prime Factorization of 17507

Prime factors of 17507 are 7, 41, 61. Prime factorization of 17507 in exponential form is:

17507 = 71 × 411 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 17490 and 17507.

LCM(17490,17507) = 21 × 31 × 51 × 111 × 531 × 71 × 411 × 611
LCM(17490,17507) = 306197430