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What is the Least Common Multiple of 4725 and 4731?

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 4725 and 4731 is 7451325.

LCM(4725,4731) = 7451325

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Least Common Multiple of 4725 and 4731 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4725 and 4731, than apply into the LCM equation.

GCF(4725,4731) = 3
LCM(4725,4731) = ( 4725 × 4731) / 3
LCM(4725,4731) = 22353975 / 3
LCM(4725,4731) = 7451325

Least Common Multiple (LCM) of 4725 and 4731 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4725 and 4731. First we will calculate the prime factors of 4725 and 4731.

Prime Factorization of 4725

Prime factors of 4725 are 3, 5, 7. Prime factorization of 4725 in exponential form is:

4725 = 33 × 52 × 71

Prime Factorization of 4731

Prime factors of 4731 are 3, 19, 83. Prime factorization of 4731 in exponential form is:

4731 = 31 × 191 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 4725 and 4731.

LCM(4725,4731) = 33 × 52 × 71 × 191 × 831
LCM(4725,4731) = 7451325