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What is the Least Common Multiple of 11536 and 11543?

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 11536 and 11543 is 19022864.

LCM(11536,11543) = 19022864

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Least Common Multiple of 11536 and 11543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11536 and 11543, than apply into the LCM equation.

GCF(11536,11543) = 7
LCM(11536,11543) = ( 11536 × 11543) / 7
LCM(11536,11543) = 133160048 / 7
LCM(11536,11543) = 19022864

Least Common Multiple (LCM) of 11536 and 11543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11536 and 11543. First we will calculate the prime factors of 11536 and 11543.

Prime Factorization of 11536

Prime factors of 11536 are 2, 7, 103. Prime factorization of 11536 in exponential form is:

11536 = 24 × 71 × 1031

Prime Factorization of 11543

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

11543 = 71 × 171 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 11536 and 11543.

LCM(11536,11543) = 24 × 71 × 1031 × 171 × 971
LCM(11536,11543) = 19022864