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What is the Least Common Multiple of 85204 and 85218?

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 85204 and 85218 is 518636748.

LCM(85204,85218) = 518636748

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Least Common Multiple of 85204 and 85218 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85204 and 85218, than apply into the LCM equation.

GCF(85204,85218) = 14
LCM(85204,85218) = ( 85204 × 85218) / 14
LCM(85204,85218) = 7260914472 / 14
LCM(85204,85218) = 518636748

Least Common Multiple (LCM) of 85204 and 85218 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85204 and 85218. First we will calculate the prime factors of 85204 and 85218.

Prime Factorization of 85204

Prime factors of 85204 are 2, 7, 17, 179. Prime factorization of 85204 in exponential form is:

85204 = 22 × 71 × 171 × 1791

Prime Factorization of 85218

Prime factors of 85218 are 2, 3, 7, 2029. Prime factorization of 85218 in exponential form is:

85218 = 21 × 31 × 71 × 20291

Now multiplying the highest exponent prime factors to calculate the LCM of 85204 and 85218.

LCM(85204,85218) = 22 × 71 × 171 × 1791 × 31 × 20291
LCM(85204,85218) = 518636748