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What is the Least Common Multiple of 11398 and 11403?

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 11398 and 11403 is 129971394.

LCM(11398,11403) = 129971394

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Least Common Multiple of 11398 and 11403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11398 and 11403, than apply into the LCM equation.

GCF(11398,11403) = 1
LCM(11398,11403) = ( 11398 × 11403) / 1
LCM(11398,11403) = 129971394 / 1
LCM(11398,11403) = 129971394

Least Common Multiple (LCM) of 11398 and 11403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11398 and 11403. First we will calculate the prime factors of 11398 and 11403.

Prime Factorization of 11398

Prime factors of 11398 are 2, 41, 139. Prime factorization of 11398 in exponential form is:

11398 = 21 × 411 × 1391

Prime Factorization of 11403

Prime factors of 11403 are 3, 7, 181. Prime factorization of 11403 in exponential form is:

11403 = 32 × 71 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 11398 and 11403.

LCM(11398,11403) = 21 × 411 × 1391 × 32 × 71 × 1811
LCM(11398,11403) = 129971394