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What is the Least Common Multiple of 12530 and 12540?

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 12530 and 12540 is 15712620.

LCM(12530,12540) = 15712620

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Least Common Multiple of 12530 and 12540 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12530 and 12540, than apply into the LCM equation.

GCF(12530,12540) = 10
LCM(12530,12540) = ( 12530 × 12540) / 10
LCM(12530,12540) = 157126200 / 10
LCM(12530,12540) = 15712620

Least Common Multiple (LCM) of 12530 and 12540 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12530 and 12540. First we will calculate the prime factors of 12530 and 12540.

Prime Factorization of 12530

Prime factors of 12530 are 2, 5, 7, 179. Prime factorization of 12530 in exponential form is:

12530 = 21 × 51 × 71 × 1791

Prime Factorization of 12540

Prime factors of 12540 are 2, 3, 5, 11, 19. Prime factorization of 12540 in exponential form is:

12540 = 22 × 31 × 51 × 111 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 12530 and 12540.

LCM(12530,12540) = 22 × 51 × 71 × 1791 × 31 × 111 × 191
LCM(12530,12540) = 15712620