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What is the Least Common Multiple of 13531 and 13540?

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 13531 and 13540 is 183209740.

LCM(13531,13540) = 183209740

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Least Common Multiple of 13531 and 13540 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13531 and 13540, than apply into the LCM equation.

GCF(13531,13540) = 1
LCM(13531,13540) = ( 13531 × 13540) / 1
LCM(13531,13540) = 183209740 / 1
LCM(13531,13540) = 183209740

Least Common Multiple (LCM) of 13531 and 13540 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13531 and 13540. First we will calculate the prime factors of 13531 and 13540.

Prime Factorization of 13531

Prime factors of 13531 are 7, 1933. Prime factorization of 13531 in exponential form is:

13531 = 71 × 19331

Prime Factorization of 13540

Prime factors of 13540 are 2, 5, 677. Prime factorization of 13540 in exponential form is:

13540 = 22 × 51 × 6771

Now multiplying the highest exponent prime factors to calculate the LCM of 13531 and 13540.

LCM(13531,13540) = 71 × 19331 × 22 × 51 × 6771
LCM(13531,13540) = 183209740