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What is the Least Common Multiple of 66508 and 66515?

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 66508 and 66515 is 4423779620.

LCM(66508,66515) = 4423779620

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Least Common Multiple of 66508 and 66515 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66508 and 66515, than apply into the LCM equation.

GCF(66508,66515) = 1
LCM(66508,66515) = ( 66508 × 66515) / 1
LCM(66508,66515) = 4423779620 / 1
LCM(66508,66515) = 4423779620

Least Common Multiple (LCM) of 66508 and 66515 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66508 and 66515. First we will calculate the prime factors of 66508 and 66515.

Prime Factorization of 66508

Prime factors of 66508 are 2, 13, 1279. Prime factorization of 66508 in exponential form is:

66508 = 22 × 131 × 12791

Prime Factorization of 66515

Prime factors of 66515 are 5, 53, 251. Prime factorization of 66515 in exponential form is:

66515 = 51 × 531 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 66508 and 66515.

LCM(66508,66515) = 22 × 131 × 12791 × 51 × 531 × 2511
LCM(66508,66515) = 4423779620