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What is the Least Common Multiple of 11340 and 11355?

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 11340 and 11355 is 8584380.

LCM(11340,11355) = 8584380

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Least Common Multiple of 11340 and 11355 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11340 and 11355, than apply into the LCM equation.

GCF(11340,11355) = 15
LCM(11340,11355) = ( 11340 × 11355) / 15
LCM(11340,11355) = 128765700 / 15
LCM(11340,11355) = 8584380

Least Common Multiple (LCM) of 11340 and 11355 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11340 and 11355. First we will calculate the prime factors of 11340 and 11355.

Prime Factorization of 11340

Prime factors of 11340 are 2, 3, 5, 7. Prime factorization of 11340 in exponential form is:

11340 = 22 × 34 × 51 × 71

Prime Factorization of 11355

Prime factors of 11355 are 3, 5, 757. Prime factorization of 11355 in exponential form is:

11355 = 31 × 51 × 7571

Now multiplying the highest exponent prime factors to calculate the LCM of 11340 and 11355.

LCM(11340,11355) = 22 × 34 × 51 × 71 × 7571
LCM(11340,11355) = 8584380