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What is the Least Common Multiple of 11543 and 11553?

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 11543 and 11553 is 133356279.

LCM(11543,11553) = 133356279

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Least Common Multiple of 11543 and 11553 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11543 and 11553, than apply into the LCM equation.

GCF(11543,11553) = 1
LCM(11543,11553) = ( 11543 × 11553) / 1
LCM(11543,11553) = 133356279 / 1
LCM(11543,11553) = 133356279

Least Common Multiple (LCM) of 11543 and 11553 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11543 and 11553. First we will calculate the prime factors of 11543 and 11553.

Prime Factorization of 11543

Prime factors of 11543 are 7, 17, 97. Prime factorization of 11543 in exponential form is:

11543 = 71 × 171 × 971

Prime Factorization of 11553

Prime factors of 11553 are 3, 3851. Prime factorization of 11553 in exponential form is:

11553 = 31 × 38511

Now multiplying the highest exponent prime factors to calculate the LCM of 11543 and 11553.

LCM(11543,11553) = 71 × 171 × 971 × 31 × 38511
LCM(11543,11553) = 133356279