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What is the Least Common Multiple of 520 and 529?

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 520 and 529 is 275080.

LCM(520,529) = 275080

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Least Common Multiple of 520 and 529 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 520 and 529, than apply into the LCM equation.

GCF(520,529) = 1
LCM(520,529) = ( 520 × 529) / 1
LCM(520,529) = 275080 / 1
LCM(520,529) = 275080

Least Common Multiple (LCM) of 520 and 529 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 520 and 529. First we will calculate the prime factors of 520 and 529.

Prime Factorization of 520

Prime factors of 520 are 2, 5, 13. Prime factorization of 520 in exponential form is:

520 = 23 × 51 × 131

Prime Factorization of 529

Prime factors of 529 are 23. Prime factorization of 529 in exponential form is:

529 = 232

Now multiplying the highest exponent prime factors to calculate the LCM of 520 and 529.

LCM(520,529) = 23 × 51 × 131 × 232
LCM(520,529) = 275080