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What is the Least Common Multiple of 8670 and 8685?

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 8670 and 8685 is 5019930.

LCM(8670,8685) = 5019930

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Least Common Multiple of 8670 and 8685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8670 and 8685, than apply into the LCM equation.

GCF(8670,8685) = 15
LCM(8670,8685) = ( 8670 × 8685) / 15
LCM(8670,8685) = 75298950 / 15
LCM(8670,8685) = 5019930

Least Common Multiple (LCM) of 8670 and 8685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8670 and 8685. First we will calculate the prime factors of 8670 and 8685.

Prime Factorization of 8670

Prime factors of 8670 are 2, 3, 5, 17. Prime factorization of 8670 in exponential form is:

8670 = 21 × 31 × 51 × 172

Prime Factorization of 8685

Prime factors of 8685 are 3, 5, 193. Prime factorization of 8685 in exponential form is:

8685 = 32 × 51 × 1931

Now multiplying the highest exponent prime factors to calculate the LCM of 8670 and 8685.

LCM(8670,8685) = 21 × 32 × 51 × 172 × 1931
LCM(8670,8685) = 5019930