What is the Least Common Multiple of 11709 and 11720?
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 11709 and 11720 is 137229480.
LCM(11709,11720) = 137229480
Least Common Multiple of 11709 and 11720 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11709 and 11720, than apply into the LCM equation.
GCF(11709,11720) = 1
LCM(11709,11720) = ( 11709 × 11720) / 1
LCM(11709,11720) = 137229480 / 1
LCM(11709,11720) = 137229480
Least Common Multiple (LCM) of 11709 and 11720 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 11709 and 11720. First we will calculate the prime factors of 11709 and 11720.
Prime Factorization of 11709
Prime factors of 11709 are 3, 1301. Prime factorization of 11709 in exponential form is:
11709 = 32 × 13011
Prime Factorization of 11720
Prime factors of 11720 are 2, 5, 293. Prime factorization of 11720 in exponential form is:
11720 = 23 × 51 × 2931
Now multiplying the highest exponent prime factors to calculate the LCM of 11709 and 11720.
LCM(11709,11720) = 32 × 13011 × 23 × 51 × 2931
LCM(11709,11720) = 137229480
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