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What is the Least Common Multiple of 40309 and 40317?

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 40309 and 40317 is 1625137953.

LCM(40309,40317) = 1625137953

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Least Common Multiple of 40309 and 40317 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40309 and 40317, than apply into the LCM equation.

GCF(40309,40317) = 1
LCM(40309,40317) = ( 40309 × 40317) / 1
LCM(40309,40317) = 1625137953 / 1
LCM(40309,40317) = 1625137953

Least Common Multiple (LCM) of 40309 and 40317 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40309 and 40317. First we will calculate the prime factors of 40309 and 40317.

Prime Factorization of 40309

Prime factors of 40309 are 173, 233. Prime factorization of 40309 in exponential form is:

40309 = 1731 × 2331

Prime Factorization of 40317

Prime factors of 40317 are 3, 89, 151. Prime factorization of 40317 in exponential form is:

40317 = 31 × 891 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 40309 and 40317.

LCM(40309,40317) = 1731 × 2331 × 31 × 891 × 1511
LCM(40309,40317) = 1625137953