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What is the Least Common Multiple of 518 and 526?

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 518 and 526 is 136234.

LCM(518,526) = 136234

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Least Common Multiple of 518 and 526 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 518 and 526, than apply into the LCM equation.

GCF(518,526) = 2
LCM(518,526) = ( 518 × 526) / 2
LCM(518,526) = 272468 / 2
LCM(518,526) = 136234

Least Common Multiple (LCM) of 518 and 526 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 518 and 526. First we will calculate the prime factors of 518 and 526.

Prime Factorization of 518

Prime factors of 518 are 2, 7, 37. Prime factorization of 518 in exponential form is:

518 = 21 × 71 × 371

Prime Factorization of 526

Prime factors of 526 are 2, 263. Prime factorization of 526 in exponential form is:

526 = 21 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 518 and 526.

LCM(518,526) = 21 × 71 × 371 × 2631
LCM(518,526) = 136234