What is the Least Common Multiple of 11940 and 11945?
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 11940 and 11945 is 28524660.
LCM(11940,11945) = 28524660
Least Common Multiple of 11940 and 11945 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11940 and 11945, than apply into the LCM equation.
GCF(11940,11945) = 5
LCM(11940,11945) = ( 11940 × 11945) / 5
LCM(11940,11945) = 142623300 / 5
LCM(11940,11945) = 28524660
Least Common Multiple (LCM) of 11940 and 11945 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 11940 and 11945. First we will calculate the prime factors of 11940 and 11945.
Prime Factorization of 11940
Prime factors of 11940 are 2, 3, 5, 199. Prime factorization of 11940 in exponential form is:
11940 = 22 × 31 × 51 × 1991
Prime Factorization of 11945
Prime factors of 11945 are 5, 2389. Prime factorization of 11945 in exponential form is:
11945 = 51 × 23891
Now multiplying the highest exponent prime factors to calculate the LCM of 11940 and 11945.
LCM(11940,11945) = 22 × 31 × 51 × 1991 × 23891
LCM(11940,11945) = 28524660
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