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What is the Least Common Multiple of 40665 and 40681?

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 40665 and 40681 is 1654292865.

LCM(40665,40681) = 1654292865

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Least Common Multiple of 40665 and 40681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40665 and 40681, than apply into the LCM equation.

GCF(40665,40681) = 1
LCM(40665,40681) = ( 40665 × 40681) / 1
LCM(40665,40681) = 1654292865 / 1
LCM(40665,40681) = 1654292865

Least Common Multiple (LCM) of 40665 and 40681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40665 and 40681. First we will calculate the prime factors of 40665 and 40681.

Prime Factorization of 40665

Prime factors of 40665 are 3, 5, 2711. Prime factorization of 40665 in exponential form is:

40665 = 31 × 51 × 27111

Prime Factorization of 40681

Prime factors of 40681 are 17, 2393. Prime factorization of 40681 in exponential form is:

40681 = 171 × 23931

Now multiplying the highest exponent prime factors to calculate the LCM of 40665 and 40681.

LCM(40665,40681) = 31 × 51 × 27111 × 171 × 23931
LCM(40665,40681) = 1654292865