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What is the Least Common Multiple of 28113 and 28122?

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 28113 and 28122 is 263531262.

LCM(28113,28122) = 263531262

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Least Common Multiple of 28113 and 28122 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28113 and 28122, than apply into the LCM equation.

GCF(28113,28122) = 3
LCM(28113,28122) = ( 28113 × 28122) / 3
LCM(28113,28122) = 790593786 / 3
LCM(28113,28122) = 263531262

Least Common Multiple (LCM) of 28113 and 28122 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28113 and 28122. First we will calculate the prime factors of 28113 and 28122.

Prime Factorization of 28113

Prime factors of 28113 are 3, 9371. Prime factorization of 28113 in exponential form is:

28113 = 31 × 93711

Prime Factorization of 28122

Prime factors of 28122 are 2, 3, 43, 109. Prime factorization of 28122 in exponential form is:

28122 = 21 × 31 × 431 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 28113 and 28122.

LCM(28113,28122) = 31 × 93711 × 21 × 431 × 1091
LCM(28113,28122) = 263531262