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What is the Least Common Multiple of 28371 and 28391?

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 28371 and 28391 is 805481061.

LCM(28371,28391) = 805481061

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Least Common Multiple of 28371 and 28391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28371 and 28391, than apply into the LCM equation.

GCF(28371,28391) = 1
LCM(28371,28391) = ( 28371 × 28391) / 1
LCM(28371,28391) = 805481061 / 1
LCM(28371,28391) = 805481061

Least Common Multiple (LCM) of 28371 and 28391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28371 and 28391. First we will calculate the prime factors of 28371 and 28391.

Prime Factorization of 28371

Prime factors of 28371 are 3, 7, 193. Prime factorization of 28371 in exponential form is:

28371 = 31 × 72 × 1931

Prime Factorization of 28391

Prime factors of 28391 are 11, 29, 89. Prime factorization of 28391 in exponential form is:

28391 = 111 × 291 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 28371 and 28391.

LCM(28371,28391) = 31 × 72 × 1931 × 111 × 291 × 891
LCM(28371,28391) = 805481061