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What is the Least Common Multiple of 521 and 528?

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 521 and 528 is 275088.

LCM(521,528) = 275088

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Least Common Multiple of 521 and 528 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 521 and 528, than apply into the LCM equation.

GCF(521,528) = 1
LCM(521,528) = ( 521 × 528) / 1
LCM(521,528) = 275088 / 1
LCM(521,528) = 275088

Least Common Multiple (LCM) of 521 and 528 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 521 and 528. First we will calculate the prime factors of 521 and 528.

Prime Factorization of 521

Prime factors of 521 are 521. Prime factorization of 521 in exponential form is:

521 = 5211

Prime Factorization of 528

Prime factors of 528 are 2, 3, 11. Prime factorization of 528 in exponential form is:

528 = 24 × 31 × 111

Now multiplying the highest exponent prime factors to calculate the LCM of 521 and 528.

LCM(521,528) = 5211 × 24 × 31 × 111
LCM(521,528) = 275088