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What is the Least Common Multiple of 8458 and 8469?

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 8458 and 8469 is 71630802.

LCM(8458,8469) = 71630802

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Least Common Multiple of 8458 and 8469 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8458 and 8469, than apply into the LCM equation.

GCF(8458,8469) = 1
LCM(8458,8469) = ( 8458 × 8469) / 1
LCM(8458,8469) = 71630802 / 1
LCM(8458,8469) = 71630802

Least Common Multiple (LCM) of 8458 and 8469 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8458 and 8469. First we will calculate the prime factors of 8458 and 8469.

Prime Factorization of 8458

Prime factors of 8458 are 2, 4229. Prime factorization of 8458 in exponential form is:

8458 = 21 × 42291

Prime Factorization of 8469

Prime factors of 8469 are 3, 941. Prime factorization of 8469 in exponential form is:

8469 = 32 × 9411

Now multiplying the highest exponent prime factors to calculate the LCM of 8458 and 8469.

LCM(8458,8469) = 21 × 42291 × 32 × 9411
LCM(8458,8469) = 71630802