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What is the Least Common Multiple of 8561 and 8575?

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 8561 and 8575 is 10487225.

LCM(8561,8575) = 10487225

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Least Common Multiple of 8561 and 8575 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8561 and 8575, than apply into the LCM equation.

GCF(8561,8575) = 7
LCM(8561,8575) = ( 8561 × 8575) / 7
LCM(8561,8575) = 73410575 / 7
LCM(8561,8575) = 10487225

Least Common Multiple (LCM) of 8561 and 8575 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8561 and 8575. First we will calculate the prime factors of 8561 and 8575.

Prime Factorization of 8561

Prime factors of 8561 are 7, 1223. Prime factorization of 8561 in exponential form is:

8561 = 71 × 12231

Prime Factorization of 8575

Prime factors of 8575 are 5, 7. Prime factorization of 8575 in exponential form is:

8575 = 52 × 73

Now multiplying the highest exponent prime factors to calculate the LCM of 8561 and 8575.

LCM(8561,8575) = 73 × 12231 × 52
LCM(8561,8575) = 10487225