What is the Least Common Multiple of 18281 and 18285?
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 18281 and 18285 is 334268085.
LCM(18281,18285) = 334268085
Least Common Multiple of 18281 and 18285 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18281 and 18285, than apply into the LCM equation.
GCF(18281,18285) = 1
LCM(18281,18285) = ( 18281 × 18285) / 1
LCM(18281,18285) = 334268085 / 1
LCM(18281,18285) = 334268085
Least Common Multiple (LCM) of 18281 and 18285 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 18281 and 18285. First we will calculate the prime factors of 18281 and 18285.
Prime Factorization of 18281
Prime factors of 18281 are 101, 181. Prime factorization of 18281 in exponential form is:
18281 = 1011 × 1811
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
Now multiplying the highest exponent prime factors to calculate the LCM of 18281 and 18285.
LCM(18281,18285) = 1011 × 1811 × 31 × 51 × 231 × 531
LCM(18281,18285) = 334268085
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