What is the Least Common Multiple of 18291 and 18298?
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 18291 and 18298 is 47812674.
LCM(18291,18298) = 47812674
Least Common Multiple of 18291 and 18298 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18291 and 18298, than apply into the LCM equation.
GCF(18291,18298) = 7
LCM(18291,18298) = ( 18291 × 18298) / 7
LCM(18291,18298) = 334688718 / 7
LCM(18291,18298) = 47812674
Least Common Multiple (LCM) of 18291 and 18298 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 18291 and 18298. First we will calculate the prime factors of 18291 and 18298.
Prime Factorization of 18291
Prime factors of 18291 are 3, 7, 13, 67. Prime factorization of 18291 in exponential form is:
18291 = 31 × 71 × 131 × 671
Prime Factorization of 18298
Prime factors of 18298 are 2, 7, 1307. Prime factorization of 18298 in exponential form is:
18298 = 21 × 71 × 13071
Now multiplying the highest exponent prime factors to calculate the LCM of 18291 and 18298.
LCM(18291,18298) = 31 × 71 × 131 × 671 × 21 × 13071
LCM(18291,18298) = 47812674
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