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What is the Least Common Multiple of 57105 and 57116?

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 57105 and 57116 is 3261609180.

LCM(57105,57116) = 3261609180

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Least Common Multiple of 57105 and 57116 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57105 and 57116, than apply into the LCM equation.

GCF(57105,57116) = 1
LCM(57105,57116) = ( 57105 × 57116) / 1
LCM(57105,57116) = 3261609180 / 1
LCM(57105,57116) = 3261609180

Least Common Multiple (LCM) of 57105 and 57116 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57105 and 57116. First we will calculate the prime factors of 57105 and 57116.

Prime Factorization of 57105

Prime factors of 57105 are 3, 5, 47. Prime factorization of 57105 in exponential form is:

57105 = 35 × 51 × 471

Prime Factorization of 57116

Prime factors of 57116 are 2, 109, 131. Prime factorization of 57116 in exponential form is:

57116 = 22 × 1091 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 57105 and 57116.

LCM(57105,57116) = 35 × 51 × 471 × 22 × 1091 × 1311
LCM(57105,57116) = 3261609180