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What is the Least Common Multiple of 40724 and 40731?

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 40724 and 40731 is 1658729244.

LCM(40724,40731) = 1658729244

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Least Common Multiple of 40724 and 40731 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40724 and 40731, than apply into the LCM equation.

GCF(40724,40731) = 1
LCM(40724,40731) = ( 40724 × 40731) / 1
LCM(40724,40731) = 1658729244 / 1
LCM(40724,40731) = 1658729244

Least Common Multiple (LCM) of 40724 and 40731 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40724 and 40731. First we will calculate the prime factors of 40724 and 40731.

Prime Factorization of 40724

Prime factors of 40724 are 2, 10181. Prime factorization of 40724 in exponential form is:

40724 = 22 × 101811

Prime Factorization of 40731

Prime factors of 40731 are 3, 13577. Prime factorization of 40731 in exponential form is:

40731 = 31 × 135771

Now multiplying the highest exponent prime factors to calculate the LCM of 40724 and 40731.

LCM(40724,40731) = 22 × 101811 × 31 × 135771
LCM(40724,40731) = 1658729244