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What is the Least Common Multiple of 81431 and 81446?

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 81431 and 81446 is 6632229226.

LCM(81431,81446) = 6632229226

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Least Common Multiple of 81431 and 81446 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81431 and 81446, than apply into the LCM equation.

GCF(81431,81446) = 1
LCM(81431,81446) = ( 81431 × 81446) / 1
LCM(81431,81446) = 6632229226 / 1
LCM(81431,81446) = 6632229226

Least Common Multiple (LCM) of 81431 and 81446 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81431 and 81446. First we will calculate the prime factors of 81431 and 81446.

Prime Factorization of 81431

Prime factors of 81431 are 7, 11633. Prime factorization of 81431 in exponential form is:

81431 = 71 × 116331

Prime Factorization of 81446

Prime factors of 81446 are 2, 193, 211. Prime factorization of 81446 in exponential form is:

81446 = 21 × 1931 × 2111

Now multiplying the highest exponent prime factors to calculate the LCM of 81431 and 81446.

LCM(81431,81446) = 71 × 116331 × 21 × 1931 × 2111
LCM(81431,81446) = 6632229226