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What is the Least Common Multiple of 18872 and 18881?

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 18872 and 18881 is 356322232.

LCM(18872,18881) = 356322232

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Least Common Multiple of 18872 and 18881 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18872 and 18881, than apply into the LCM equation.

GCF(18872,18881) = 1
LCM(18872,18881) = ( 18872 × 18881) / 1
LCM(18872,18881) = 356322232 / 1
LCM(18872,18881) = 356322232

Least Common Multiple (LCM) of 18872 and 18881 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18872 and 18881. First we will calculate the prime factors of 18872 and 18881.

Prime Factorization of 18872

Prime factors of 18872 are 2, 7, 337. Prime factorization of 18872 in exponential form is:

18872 = 23 × 71 × 3371

Prime Factorization of 18881

Prime factors of 18881 are 79, 239. Prime factorization of 18881 in exponential form is:

18881 = 791 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 18872 and 18881.

LCM(18872,18881) = 23 × 71 × 3371 × 791 × 2391
LCM(18872,18881) = 356322232