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What is the Least Common Multiple of 57145 and 57165?

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 57145 and 57165 is 653338785.

LCM(57145,57165) = 653338785

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Least Common Multiple of 57145 and 57165 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57145 and 57165, than apply into the LCM equation.

GCF(57145,57165) = 5
LCM(57145,57165) = ( 57145 × 57165) / 5
LCM(57145,57165) = 3266693925 / 5
LCM(57145,57165) = 653338785

Least Common Multiple (LCM) of 57145 and 57165 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57145 and 57165. First we will calculate the prime factors of 57145 and 57165.

Prime Factorization of 57145

Prime factors of 57145 are 5, 11, 1039. Prime factorization of 57145 in exponential form is:

57145 = 51 × 111 × 10391

Prime Factorization of 57165

Prime factors of 57165 are 3, 5, 37, 103. Prime factorization of 57165 in exponential form is:

57165 = 31 × 51 × 371 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 57145 and 57165.

LCM(57145,57165) = 51 × 111 × 10391 × 31 × 371 × 1031
LCM(57145,57165) = 653338785