What is the Least Common Multiple of 18369 and 18389?
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 18369 and 18389 is 337787541.
LCM(18369,18389) = 337787541
Least Common Multiple of 18369 and 18389 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18369 and 18389, than apply into the LCM equation.
GCF(18369,18389) = 1
LCM(18369,18389) = ( 18369 × 18389) / 1
LCM(18369,18389) = 337787541 / 1
LCM(18369,18389) = 337787541
Least Common Multiple (LCM) of 18369 and 18389 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 18369 and 18389. First we will calculate the prime factors of 18369 and 18389.
Prime Factorization of 18369
Prime factors of 18369 are 3, 13, 157. Prime factorization of 18369 in exponential form is:
18369 = 32 × 131 × 1571
Prime Factorization of 18389
Prime factors of 18389 are 7, 37, 71. Prime factorization of 18389 in exponential form is:
18389 = 71 × 371 × 711
Now multiplying the highest exponent prime factors to calculate the LCM of 18369 and 18389.
LCM(18369,18389) = 32 × 131 × 1571 × 71 × 371 × 711
LCM(18369,18389) = 337787541
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