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What is the Least Common Multiple of 11040 and 11046?

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 11040 and 11046 is 20324640.

LCM(11040,11046) = 20324640

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Least Common Multiple of 11040 and 11046 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11040 and 11046, than apply into the LCM equation.

GCF(11040,11046) = 6
LCM(11040,11046) = ( 11040 × 11046) / 6
LCM(11040,11046) = 121947840 / 6
LCM(11040,11046) = 20324640

Least Common Multiple (LCM) of 11040 and 11046 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11040 and 11046. First we will calculate the prime factors of 11040 and 11046.

Prime Factorization of 11040

Prime factors of 11040 are 2, 3, 5, 23. Prime factorization of 11040 in exponential form is:

11040 = 25 × 31 × 51 × 231

Prime Factorization of 11046

Prime factors of 11046 are 2, 3, 7, 263. Prime factorization of 11046 in exponential form is:

11046 = 21 × 31 × 71 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 11040 and 11046.

LCM(11040,11046) = 25 × 31 × 51 × 231 × 71 × 2631
LCM(11040,11046) = 20324640