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What is the Least Common Multiple of 71434 and 71446?

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 71434 and 71446 is 2551836782.

LCM(71434,71446) = 2551836782

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Least Common Multiple of 71434 and 71446 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71434 and 71446, than apply into the LCM equation.

GCF(71434,71446) = 2
LCM(71434,71446) = ( 71434 × 71446) / 2
LCM(71434,71446) = 5103673564 / 2
LCM(71434,71446) = 2551836782

Least Common Multiple (LCM) of 71434 and 71446 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71434 and 71446. First we will calculate the prime factors of 71434 and 71446.

Prime Factorization of 71434

Prime factors of 71434 are 2, 11, 17, 191. Prime factorization of 71434 in exponential form is:

71434 = 21 × 111 × 171 × 1911

Prime Factorization of 71446

Prime factors of 71446 are 2, 139, 257. Prime factorization of 71446 in exponential form is:

71446 = 21 × 1391 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 71434 and 71446.

LCM(71434,71446) = 21 × 111 × 171 × 1911 × 1391 × 2571
LCM(71434,71446) = 2551836782