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What is the Least Common Multiple of 11143 and 11155?

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 11143 and 11155 is 124300165.

LCM(11143,11155) = 124300165

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Least Common Multiple of 11143 and 11155 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11143 and 11155, than apply into the LCM equation.

GCF(11143,11155) = 1
LCM(11143,11155) = ( 11143 × 11155) / 1
LCM(11143,11155) = 124300165 / 1
LCM(11143,11155) = 124300165

Least Common Multiple (LCM) of 11143 and 11155 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11143 and 11155. First we will calculate the prime factors of 11143 and 11155.

Prime Factorization of 11143

Prime factors of 11143 are 11, 1013. Prime factorization of 11143 in exponential form is:

11143 = 111 × 10131

Prime Factorization of 11155

Prime factors of 11155 are 5, 23, 97. Prime factorization of 11155 in exponential form is:

11155 = 51 × 231 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 11143 and 11155.

LCM(11143,11155) = 111 × 10131 × 51 × 231 × 971
LCM(11143,11155) = 124300165