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What is the Least Common Multiple of 533 and 540?

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 533 and 540 is 287820.

LCM(533,540) = 287820

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Least Common Multiple of 533 and 540 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 533 and 540, than apply into the LCM equation.

GCF(533,540) = 1
LCM(533,540) = ( 533 × 540) / 1
LCM(533,540) = 287820 / 1
LCM(533,540) = 287820

Least Common Multiple (LCM) of 533 and 540 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 533 and 540. First we will calculate the prime factors of 533 and 540.

Prime Factorization of 533

Prime factors of 533 are 13, 41. Prime factorization of 533 in exponential form is:

533 = 131 × 411

Prime Factorization of 540

Prime factors of 540 are 2, 3, 5. Prime factorization of 540 in exponential form is:

540 = 22 × 33 × 51

Now multiplying the highest exponent prime factors to calculate the LCM of 533 and 540.

LCM(533,540) = 131 × 411 × 22 × 33 × 51
LCM(533,540) = 287820