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What is the Least Common Multiple of 18285 and 18292?

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 18285 and 18292 is 334469220.

LCM(18285,18292) = 334469220

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Least Common Multiple of 18285 and 18292 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18285 and 18292, than apply into the LCM equation.

GCF(18285,18292) = 1
LCM(18285,18292) = ( 18285 × 18292) / 1
LCM(18285,18292) = 334469220 / 1
LCM(18285,18292) = 334469220

Least Common Multiple (LCM) of 18285 and 18292 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18285 and 18292. First we will calculate the prime factors of 18285 and 18292.

Prime Factorization of 18285

Prime factors of 18285 are 3, 5, 23, 53. Prime factorization of 18285 in exponential form is:

18285 = 31 × 51 × 231 × 531

Prime Factorization of 18292

Prime factors of 18292 are 2, 17, 269. Prime factorization of 18292 in exponential form is:

18292 = 22 × 171 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 18285 and 18292.

LCM(18285,18292) = 31 × 51 × 231 × 531 × 22 × 171 × 2691
LCM(18285,18292) = 334469220