What is the Least Common Multiple of 12603 and 12609?
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 12603 and 12609 is 52970409.
LCM(12603,12609) = 52970409
Least Common Multiple of 12603 and 12609 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12603 and 12609, than apply into the LCM equation.
GCF(12603,12609) = 3
LCM(12603,12609) = ( 12603 × 12609) / 3
LCM(12603,12609) = 158911227 / 3
LCM(12603,12609) = 52970409
Least Common Multiple (LCM) of 12603 and 12609 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 12603 and 12609. First we will calculate the prime factors of 12603 and 12609.
Prime Factorization of 12603
Prime factors of 12603 are 3, 4201. Prime factorization of 12603 in exponential form is:
12603 = 31 × 42011
Prime Factorization of 12609
Prime factors of 12609 are 3, 467. Prime factorization of 12609 in exponential form is:
12609 = 33 × 4671
Now multiplying the highest exponent prime factors to calculate the LCM of 12603 and 12609.
LCM(12603,12609) = 33 × 42011 × 4671
LCM(12603,12609) = 52970409
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