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What is the Least Common Multiple of 33540 and 33556?

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 33540 and 33556 is 281367060.

LCM(33540,33556) = 281367060

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Least Common Multiple of 33540 and 33556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 33540 and 33556, than apply into the LCM equation.

GCF(33540,33556) = 4
LCM(33540,33556) = ( 33540 × 33556) / 4
LCM(33540,33556) = 1125468240 / 4
LCM(33540,33556) = 281367060

Least Common Multiple (LCM) of 33540 and 33556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 33540 and 33556. First we will calculate the prime factors of 33540 and 33556.

Prime Factorization of 33540

Prime factors of 33540 are 2, 3, 5, 13, 43. Prime factorization of 33540 in exponential form is:

33540 = 22 × 31 × 51 × 131 × 431

Prime Factorization of 33556

Prime factors of 33556 are 2, 8389. Prime factorization of 33556 in exponential form is:

33556 = 22 × 83891

Now multiplying the highest exponent prime factors to calculate the LCM of 33540 and 33556.

LCM(33540,33556) = 22 × 31 × 51 × 131 × 431 × 83891
LCM(33540,33556) = 281367060