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What is the Least Common Multiple of 13638 and 13652?

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 13638 and 13652 is 93092988.

LCM(13638,13652) = 93092988

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Least Common Multiple of 13638 and 13652 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13638 and 13652, than apply into the LCM equation.

GCF(13638,13652) = 2
LCM(13638,13652) = ( 13638 × 13652) / 2
LCM(13638,13652) = 186185976 / 2
LCM(13638,13652) = 93092988

Least Common Multiple (LCM) of 13638 and 13652 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13638 and 13652. First we will calculate the prime factors of 13638 and 13652.

Prime Factorization of 13638

Prime factors of 13638 are 2, 3, 2273. Prime factorization of 13638 in exponential form is:

13638 = 21 × 31 × 22731

Prime Factorization of 13652

Prime factors of 13652 are 2, 3413. Prime factorization of 13652 in exponential form is:

13652 = 22 × 34131

Now multiplying the highest exponent prime factors to calculate the LCM of 13638 and 13652.

LCM(13638,13652) = 22 × 31 × 22731 × 34131
LCM(13638,13652) = 93092988