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What is the Least Common Multiple of 8423 and 8427?

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 8423 and 8427 is 70980621.

LCM(8423,8427) = 70980621

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Least Common Multiple of 8423 and 8427 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8423 and 8427, than apply into the LCM equation.

GCF(8423,8427) = 1
LCM(8423,8427) = ( 8423 × 8427) / 1
LCM(8423,8427) = 70980621 / 1
LCM(8423,8427) = 70980621

Least Common Multiple (LCM) of 8423 and 8427 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8423 and 8427. First we will calculate the prime factors of 8423 and 8427.

Prime Factorization of 8423

Prime factors of 8423 are 8423. Prime factorization of 8423 in exponential form is:

8423 = 84231

Prime Factorization of 8427

Prime factors of 8427 are 3, 53. Prime factorization of 8427 in exponential form is:

8427 = 31 × 532

Now multiplying the highest exponent prime factors to calculate the LCM of 8423 and 8427.

LCM(8423,8427) = 84231 × 31 × 532
LCM(8423,8427) = 70980621