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What is the Least Common Multiple of 28064 and 28075?

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 28064 and 28075 is 787896800.

LCM(28064,28075) = 787896800

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Least Common Multiple of 28064 and 28075 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28064 and 28075, than apply into the LCM equation.

GCF(28064,28075) = 1
LCM(28064,28075) = ( 28064 × 28075) / 1
LCM(28064,28075) = 787896800 / 1
LCM(28064,28075) = 787896800

Least Common Multiple (LCM) of 28064 and 28075 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28064 and 28075. First we will calculate the prime factors of 28064 and 28075.

Prime Factorization of 28064

Prime factors of 28064 are 2, 877. Prime factorization of 28064 in exponential form is:

28064 = 25 × 8771

Prime Factorization of 28075

Prime factors of 28075 are 5, 1123. Prime factorization of 28075 in exponential form is:

28075 = 52 × 11231

Now multiplying the highest exponent prime factors to calculate the LCM of 28064 and 28075.

LCM(28064,28075) = 25 × 8771 × 52 × 11231
LCM(28064,28075) = 787896800