What is the Least Common Multiple of 12145 and 12160?
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 12145 and 12160 is 29536640.
LCM(12145,12160) = 29536640
Least Common Multiple of 12145 and 12160 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12145 and 12160, than apply into the LCM equation.
GCF(12145,12160) = 5
LCM(12145,12160) = ( 12145 × 12160) / 5
LCM(12145,12160) = 147683200 / 5
LCM(12145,12160) = 29536640
Least Common Multiple (LCM) of 12145 and 12160 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 12145 and 12160. First we will calculate the prime factors of 12145 and 12160.
Prime Factorization of 12145
Prime factors of 12145 are 5, 7, 347. Prime factorization of 12145 in exponential form is:
12145 = 51 × 71 × 3471
Prime Factorization of 12160
Prime factors of 12160 are 2, 5, 19. Prime factorization of 12160 in exponential form is:
12160 = 27 × 51 × 191
Now multiplying the highest exponent prime factors to calculate the LCM of 12145 and 12160.
LCM(12145,12160) = 51 × 71 × 3471 × 27 × 191
LCM(12145,12160) = 29536640
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