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What is the Least Common Multiple of 526 and 530?

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 526 and 530 is 139390.

LCM(526,530) = 139390

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Least Common Multiple of 526 and 530 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 526 and 530, than apply into the LCM equation.

GCF(526,530) = 2
LCM(526,530) = ( 526 × 530) / 2
LCM(526,530) = 278780 / 2
LCM(526,530) = 139390

Least Common Multiple (LCM) of 526 and 530 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 526 and 530. First we will calculate the prime factors of 526 and 530.

Prime Factorization of 526

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

526 = 21 × 2631

Prime Factorization of 530

Prime factors of 530 are 2, 5, 53. Prime factorization of 530 in exponential form is:

530 = 21 × 51 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 526 and 530.

LCM(526,530) = 21 × 2631 × 51 × 531
LCM(526,530) = 139390