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What is the Least Common Multiple of 13964 and 13981?

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 13964 and 13981 is 195230684.

LCM(13964,13981) = 195230684

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Least Common Multiple of 13964 and 13981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13964 and 13981, than apply into the LCM equation.

GCF(13964,13981) = 1
LCM(13964,13981) = ( 13964 × 13981) / 1
LCM(13964,13981) = 195230684 / 1
LCM(13964,13981) = 195230684

Least Common Multiple (LCM) of 13964 and 13981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13964 and 13981. First we will calculate the prime factors of 13964 and 13981.

Prime Factorization of 13964

Prime factors of 13964 are 2, 3491. Prime factorization of 13964 in exponential form is:

13964 = 22 × 34911

Prime Factorization of 13981

Prime factors of 13981 are 11, 31, 41. Prime factorization of 13981 in exponential form is:

13981 = 111 × 311 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 13964 and 13981.

LCM(13964,13981) = 22 × 34911 × 111 × 311 × 411
LCM(13964,13981) = 195230684