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What is the Least Common Multiple of 515 and 522?

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 515 and 522 is 268830.

LCM(515,522) = 268830

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Least Common Multiple of 515 and 522 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 515 and 522, than apply into the LCM equation.

GCF(515,522) = 1
LCM(515,522) = ( 515 × 522) / 1
LCM(515,522) = 268830 / 1
LCM(515,522) = 268830

Least Common Multiple (LCM) of 515 and 522 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 515 and 522. First we will calculate the prime factors of 515 and 522.

Prime Factorization of 515

Prime factors of 515 are 5, 103. Prime factorization of 515 in exponential form is:

515 = 51 × 1031

Prime Factorization of 522

Prime factors of 522 are 2, 3, 29. Prime factorization of 522 in exponential form is:

522 = 21 × 32 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 515 and 522.

LCM(515,522) = 51 × 1031 × 21 × 32 × 291
LCM(515,522) = 268830