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What is the Least Common Multiple of 40287 and 40292?

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 40287 and 40292 is 1623243804.

LCM(40287,40292) = 1623243804

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Least Common Multiple of 40287 and 40292 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40287 and 40292, than apply into the LCM equation.

GCF(40287,40292) = 1
LCM(40287,40292) = ( 40287 × 40292) / 1
LCM(40287,40292) = 1623243804 / 1
LCM(40287,40292) = 1623243804

Least Common Multiple (LCM) of 40287 and 40292 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40287 and 40292. First we will calculate the prime factors of 40287 and 40292.

Prime Factorization of 40287

Prime factors of 40287 are 3, 13, 1033. Prime factorization of 40287 in exponential form is:

40287 = 31 × 131 × 10331

Prime Factorization of 40292

Prime factors of 40292 are 2, 7, 1439. Prime factorization of 40292 in exponential form is:

40292 = 22 × 71 × 14391

Now multiplying the highest exponent prime factors to calculate the LCM of 40287 and 40292.

LCM(40287,40292) = 31 × 131 × 10331 × 22 × 71 × 14391
LCM(40287,40292) = 1623243804