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What is the Least Common Multiple of 13630 and 13638?

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 13630 and 13638 is 92942970.

LCM(13630,13638) = 92942970

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Least Common Multiple of 13630 and 13638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13630 and 13638, than apply into the LCM equation.

GCF(13630,13638) = 2
LCM(13630,13638) = ( 13630 × 13638) / 2
LCM(13630,13638) = 185885940 / 2
LCM(13630,13638) = 92942970

Least Common Multiple (LCM) of 13630 and 13638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13630 and 13638. First we will calculate the prime factors of 13630 and 13638.

Prime Factorization of 13630

Prime factors of 13630 are 2, 5, 29, 47. Prime factorization of 13630 in exponential form is:

13630 = 21 × 51 × 291 × 471

Prime Factorization of 13638

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

13638 = 21 × 31 × 22731

Now multiplying the highest exponent prime factors to calculate the LCM of 13630 and 13638.

LCM(13630,13638) = 21 × 51 × 291 × 471 × 31 × 22731
LCM(13630,13638) = 92942970