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What is the Least Common Multiple of 42271 and 42285?

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 42271 and 42285 is 1787429235.

LCM(42271,42285) = 1787429235

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Least Common Multiple of 42271 and 42285 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42271 and 42285, than apply into the LCM equation.

GCF(42271,42285) = 1
LCM(42271,42285) = ( 42271 × 42285) / 1
LCM(42271,42285) = 1787429235 / 1
LCM(42271,42285) = 1787429235

Least Common Multiple (LCM) of 42271 and 42285 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42271 and 42285. First we will calculate the prime factors of 42271 and 42285.

Prime Factorization of 42271

Prime factors of 42271 are 41, 1031. Prime factorization of 42271 in exponential form is:

42271 = 411 × 10311

Prime Factorization of 42285

Prime factors of 42285 are 3, 5, 2819. Prime factorization of 42285 in exponential form is:

42285 = 31 × 51 × 28191

Now multiplying the highest exponent prime factors to calculate the LCM of 42271 and 42285.

LCM(42271,42285) = 411 × 10311 × 31 × 51 × 28191
LCM(42271,42285) = 1787429235