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What is the Least Common Multiple of 11554 and 11558?

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 11554 and 11558 is 66770566.

LCM(11554,11558) = 66770566

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Least Common Multiple of 11554 and 11558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11554 and 11558, than apply into the LCM equation.

GCF(11554,11558) = 2
LCM(11554,11558) = ( 11554 × 11558) / 2
LCM(11554,11558) = 133541132 / 2
LCM(11554,11558) = 66770566

Least Common Multiple (LCM) of 11554 and 11558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11554 and 11558. First we will calculate the prime factors of 11554 and 11558.

Prime Factorization of 11554

Prime factors of 11554 are 2, 53, 109. Prime factorization of 11554 in exponential form is:

11554 = 21 × 531 × 1091

Prime Factorization of 11558

Prime factors of 11558 are 2, 5779. Prime factorization of 11558 in exponential form is:

11558 = 21 × 57791

Now multiplying the highest exponent prime factors to calculate the LCM of 11554 and 11558.

LCM(11554,11558) = 21 × 531 × 1091 × 57791
LCM(11554,11558) = 66770566