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What is the Least Common Multiple of 11562 and 11574?

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 11562 and 11574 is 22303098.

LCM(11562,11574) = 22303098

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Least Common Multiple of 11562 and 11574 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11562 and 11574, than apply into the LCM equation.

GCF(11562,11574) = 6
LCM(11562,11574) = ( 11562 × 11574) / 6
LCM(11562,11574) = 133818588 / 6
LCM(11562,11574) = 22303098

Least Common Multiple (LCM) of 11562 and 11574 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11562 and 11574. First we will calculate the prime factors of 11562 and 11574.

Prime Factorization of 11562

Prime factors of 11562 are 2, 3, 41, 47. Prime factorization of 11562 in exponential form is:

11562 = 21 × 31 × 411 × 471

Prime Factorization of 11574

Prime factors of 11574 are 2, 3, 643. Prime factorization of 11574 in exponential form is:

11574 = 21 × 32 × 6431

Now multiplying the highest exponent prime factors to calculate the LCM of 11562 and 11574.

LCM(11562,11574) = 21 × 32 × 411 × 471 × 6431
LCM(11562,11574) = 22303098