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What is the Least Common Multiple of 8397 and 8406?

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 8397 and 8406 is 7842798.

LCM(8397,8406) = 7842798

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Least Common Multiple of 8397 and 8406 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8397 and 8406, than apply into the LCM equation.

GCF(8397,8406) = 9
LCM(8397,8406) = ( 8397 × 8406) / 9
LCM(8397,8406) = 70585182 / 9
LCM(8397,8406) = 7842798

Least Common Multiple (LCM) of 8397 and 8406 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8397 and 8406. First we will calculate the prime factors of 8397 and 8406.

Prime Factorization of 8397

Prime factors of 8397 are 3, 311. Prime factorization of 8397 in exponential form is:

8397 = 33 × 3111

Prime Factorization of 8406

Prime factors of 8406 are 2, 3, 467. Prime factorization of 8406 in exponential form is:

8406 = 21 × 32 × 4671

Now multiplying the highest exponent prime factors to calculate the LCM of 8397 and 8406.

LCM(8397,8406) = 33 × 3111 × 21 × 4671
LCM(8397,8406) = 7842798