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What is the Least Common Multiple of 42271 and 42280?

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 42280 is 1787217880.

LCM(42271,42280) = 1787217880

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Least Common Multiple of 42271 and 42280 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 42280, than apply into the LCM equation.

GCF(42271,42280) = 1
LCM(42271,42280) = ( 42271 × 42280) / 1
LCM(42271,42280) = 1787217880 / 1
LCM(42271,42280) = 1787217880

Least Common Multiple (LCM) of 42271 and 42280 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42271 and 42280. First we will calculate the prime factors of 42271 and 42280.

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 42280

Prime factors of 42280 are 2, 5, 7, 151. Prime factorization of 42280 in exponential form is:

42280 = 23 × 51 × 71 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 42271 and 42280.

LCM(42271,42280) = 411 × 10311 × 23 × 51 × 71 × 1511
LCM(42271,42280) = 1787217880