What is the Least Common Multiple of 18298 and 18318?
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 18298 and 18318 is 167591382.
LCM(18298,18318) = 167591382
Least Common Multiple of 18298 and 18318 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18298 and 18318, than apply into the LCM equation.
GCF(18298,18318) = 2
LCM(18298,18318) = ( 18298 × 18318) / 2
LCM(18298,18318) = 335182764 / 2
LCM(18298,18318) = 167591382
Least Common Multiple (LCM) of 18298 and 18318 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 18298 and 18318. First we will calculate the prime factors of 18298 and 18318.
Prime Factorization of 18298
Prime factors of 18298 are 2, 7, 1307. Prime factorization of 18298 in exponential form is:
18298 = 21 × 71 × 13071
Prime Factorization of 18318
Prime factors of 18318 are 2, 3, 43, 71. Prime factorization of 18318 in exponential form is:
18318 = 21 × 31 × 431 × 711
Now multiplying the highest exponent prime factors to calculate the LCM of 18298 and 18318.
LCM(18298,18318) = 21 × 71 × 13071 × 31 × 431 × 711
LCM(18298,18318) = 167591382
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