What is the Least Common Multiple of 11945 and 11957?
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 11945 and 11957 is 142826365.
LCM(11945,11957) = 142826365
Least Common Multiple of 11945 and 11957 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11945 and 11957, than apply into the LCM equation.
GCF(11945,11957) = 1
LCM(11945,11957) = ( 11945 × 11957) / 1
LCM(11945,11957) = 142826365 / 1
LCM(11945,11957) = 142826365
Least Common Multiple (LCM) of 11945 and 11957 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 11945 and 11957. First we will calculate the prime factors of 11945 and 11957.
Prime Factorization of 11945
Prime factors of 11945 are 5, 2389. Prime factorization of 11945 in exponential form is:
11945 = 51 × 23891
Prime Factorization of 11957
Prime factors of 11957 are 11, 1087. Prime factorization of 11957 in exponential form is:
11957 = 111 × 10871
Now multiplying the highest exponent prime factors to calculate the LCM of 11945 and 11957.
LCM(11945,11957) = 51 × 23891 × 111 × 10871
LCM(11945,11957) = 142826365
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