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What is the Least Common Multiple of 28925 and 28931?

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 28925 and 28931 is 836829175.

LCM(28925,28931) = 836829175

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Least Common Multiple of 28925 and 28931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28925 and 28931, than apply into the LCM equation.

GCF(28925,28931) = 1
LCM(28925,28931) = ( 28925 × 28931) / 1
LCM(28925,28931) = 836829175 / 1
LCM(28925,28931) = 836829175

Least Common Multiple (LCM) of 28925 and 28931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28925 and 28931. First we will calculate the prime factors of 28925 and 28931.

Prime Factorization of 28925

Prime factors of 28925 are 5, 13, 89. Prime factorization of 28925 in exponential form is:

28925 = 52 × 131 × 891

Prime Factorization of 28931

Prime factors of 28931 are 7, 4133. Prime factorization of 28931 in exponential form is:

28931 = 71 × 41331

Now multiplying the highest exponent prime factors to calculate the LCM of 28925 and 28931.

LCM(28925,28931) = 52 × 131 × 891 × 71 × 41331
LCM(28925,28931) = 836829175