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What is the Least Common Multiple of 13550 and 13570?

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 13550 and 13570 is 18387350.

LCM(13550,13570) = 18387350

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Least Common Multiple of 13550 and 13570 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13550 and 13570, than apply into the LCM equation.

GCF(13550,13570) = 10
LCM(13550,13570) = ( 13550 × 13570) / 10
LCM(13550,13570) = 183873500 / 10
LCM(13550,13570) = 18387350

Least Common Multiple (LCM) of 13550 and 13570 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13550 and 13570. First we will calculate the prime factors of 13550 and 13570.

Prime Factorization of 13550

Prime factors of 13550 are 2, 5, 271. Prime factorization of 13550 in exponential form is:

13550 = 21 × 52 × 2711

Prime Factorization of 13570

Prime factors of 13570 are 2, 5, 23, 59. Prime factorization of 13570 in exponential form is:

13570 = 21 × 51 × 231 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 13550 and 13570.

LCM(13550,13570) = 21 × 52 × 2711 × 231 × 591
LCM(13550,13570) = 18387350