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What is the Least Common Multiple of 7125 and 7137?

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 7125 and 7137 is 16950375.

LCM(7125,7137) = 16950375

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Least Common Multiple of 7125 and 7137 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7125 and 7137, than apply into the LCM equation.

GCF(7125,7137) = 3
LCM(7125,7137) = ( 7125 × 7137) / 3
LCM(7125,7137) = 50851125 / 3
LCM(7125,7137) = 16950375

Least Common Multiple (LCM) of 7125 and 7137 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7125 and 7137. First we will calculate the prime factors of 7125 and 7137.

Prime Factorization of 7125

Prime factors of 7125 are 3, 5, 19. Prime factorization of 7125 in exponential form is:

7125 = 31 × 53 × 191

Prime Factorization of 7137

Prime factors of 7137 are 3, 13, 61. Prime factorization of 7137 in exponential form is:

7137 = 32 × 131 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 7125 and 7137.

LCM(7125,7137) = 32 × 53 × 191 × 131 × 611
LCM(7125,7137) = 16950375