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What is the Least Common Multiple of 4125 and 4131?

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 4125 and 4131 is 5680125.

LCM(4125,4131) = 5680125

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Least Common Multiple of 4125 and 4131 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4125 and 4131, than apply into the LCM equation.

GCF(4125,4131) = 3
LCM(4125,4131) = ( 4125 × 4131) / 3
LCM(4125,4131) = 17040375 / 3
LCM(4125,4131) = 5680125

Least Common Multiple (LCM) of 4125 and 4131 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4125 and 4131. First we will calculate the prime factors of 4125 and 4131.

Prime Factorization of 4125

Prime factors of 4125 are 3, 5, 11. Prime factorization of 4125 in exponential form is:

4125 = 31 × 53 × 111

Prime Factorization of 4131

Prime factors of 4131 are 3, 17. Prime factorization of 4131 in exponential form is:

4131 = 35 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 4125 and 4131.

LCM(4125,4131) = 35 × 53 × 111 × 171
LCM(4125,4131) = 5680125