What is the Least Common Multiple of 11955 and 11960?
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 11955 and 11960 is 28596360.
LCM(11955,11960) = 28596360
Least Common Multiple of 11955 and 11960 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11955 and 11960, than apply into the LCM equation.
GCF(11955,11960) = 5
LCM(11955,11960) = ( 11955 × 11960) / 5
LCM(11955,11960) = 142981800 / 5
LCM(11955,11960) = 28596360
Least Common Multiple (LCM) of 11955 and 11960 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 11955 and 11960. First we will calculate the prime factors of 11955 and 11960.
Prime Factorization of 11955
Prime factors of 11955 are 3, 5, 797. Prime factorization of 11955 in exponential form is:
11955 = 31 × 51 × 7971
Prime Factorization of 11960
Prime factors of 11960 are 2, 5, 13, 23. Prime factorization of 11960 in exponential form is:
11960 = 23 × 51 × 131 × 231
Now multiplying the highest exponent prime factors to calculate the LCM of 11955 and 11960.
LCM(11955,11960) = 31 × 51 × 7971 × 23 × 131 × 231
LCM(11955,11960) = 28596360
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