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What is the Least Common Multiple of 11120 and 11131?

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 11120 and 11131 is 123776720.

LCM(11120,11131) = 123776720

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Least Common Multiple of 11120 and 11131 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11120 and 11131, than apply into the LCM equation.

GCF(11120,11131) = 1
LCM(11120,11131) = ( 11120 × 11131) / 1
LCM(11120,11131) = 123776720 / 1
LCM(11120,11131) = 123776720

Least Common Multiple (LCM) of 11120 and 11131 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11120 and 11131. First we will calculate the prime factors of 11120 and 11131.

Prime Factorization of 11120

Prime factors of 11120 are 2, 5, 139. Prime factorization of 11120 in exponential form is:

11120 = 24 × 51 × 1391

Prime Factorization of 11131

Prime factors of 11131 are 11131. Prime factorization of 11131 in exponential form is:

11131 = 111311

Now multiplying the highest exponent prime factors to calculate the LCM of 11120 and 11131.

LCM(11120,11131) = 24 × 51 × 1391 × 111311
LCM(11120,11131) = 123776720