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What is the Least Common Multiple of 11542 and 11562?

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 11542 and 11562 is 66724302.

LCM(11542,11562) = 66724302

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Least Common Multiple of 11542 and 11562 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11542 and 11562, than apply into the LCM equation.

GCF(11542,11562) = 2
LCM(11542,11562) = ( 11542 × 11562) / 2
LCM(11542,11562) = 133448604 / 2
LCM(11542,11562) = 66724302

Least Common Multiple (LCM) of 11542 and 11562 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11542 and 11562. First we will calculate the prime factors of 11542 and 11562.

Prime Factorization of 11542

Prime factors of 11542 are 2, 29, 199. Prime factorization of 11542 in exponential form is:

11542 = 21 × 291 × 1991

Prime Factorization of 11562

Prime factors of 11562 are 2, 3, 41, 47. Prime factorization of 11562 in exponential form is:

11562 = 21 × 31 × 411 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 11542 and 11562.

LCM(11542,11562) = 21 × 291 × 1991 × 31 × 411 × 471
LCM(11542,11562) = 66724302