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What is the Least Common Multiple of 11161 and 11180?

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 11161 and 11180 is 124779980.

LCM(11161,11180) = 124779980

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Least Common Multiple of 11161 and 11180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11161 and 11180, than apply into the LCM equation.

GCF(11161,11180) = 1
LCM(11161,11180) = ( 11161 × 11180) / 1
LCM(11161,11180) = 124779980 / 1
LCM(11161,11180) = 124779980

Least Common Multiple (LCM) of 11161 and 11180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11161 and 11180. First we will calculate the prime factors of 11161 and 11180.

Prime Factorization of 11161

Prime factors of 11161 are 11161. Prime factorization of 11161 in exponential form is:

11161 = 111611

Prime Factorization of 11180

Prime factors of 11180 are 2, 5, 13, 43. Prime factorization of 11180 in exponential form is:

11180 = 22 × 51 × 131 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 11161 and 11180.

LCM(11161,11180) = 111611 × 22 × 51 × 131 × 431
LCM(11161,11180) = 124779980