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What is the Least Common Multiple of 25731 and 25740?

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 25731 and 25740 is 73590660.

LCM(25731,25740) = 73590660

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Least Common Multiple of 25731 and 25740 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25731 and 25740, than apply into the LCM equation.

GCF(25731,25740) = 9
LCM(25731,25740) = ( 25731 × 25740) / 9
LCM(25731,25740) = 662315940 / 9
LCM(25731,25740) = 73590660

Least Common Multiple (LCM) of 25731 and 25740 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25731 and 25740. First we will calculate the prime factors of 25731 and 25740.

Prime Factorization of 25731

Prime factors of 25731 are 3, 953. Prime factorization of 25731 in exponential form is:

25731 = 33 × 9531

Prime Factorization of 25740

Prime factors of 25740 are 2, 3, 5, 11, 13. Prime factorization of 25740 in exponential form is:

25740 = 22 × 32 × 51 × 111 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 25731 and 25740.

LCM(25731,25740) = 33 × 9531 × 22 × 51 × 111 × 131
LCM(25731,25740) = 73590660