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What is the Least Common Multiple of 28556 and 28575?

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 28556 and 28575 is 815987700.

LCM(28556,28575) = 815987700

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Least Common Multiple of 28556 and 28575 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28556 and 28575, than apply into the LCM equation.

GCF(28556,28575) = 1
LCM(28556,28575) = ( 28556 × 28575) / 1
LCM(28556,28575) = 815987700 / 1
LCM(28556,28575) = 815987700

Least Common Multiple (LCM) of 28556 and 28575 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28556 and 28575. First we will calculate the prime factors of 28556 and 28575.

Prime Factorization of 28556

Prime factors of 28556 are 2, 11, 59. Prime factorization of 28556 in exponential form is:

28556 = 22 × 112 × 591

Prime Factorization of 28575

Prime factors of 28575 are 3, 5, 127. Prime factorization of 28575 in exponential form is:

28575 = 32 × 52 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 28556 and 28575.

LCM(28556,28575) = 22 × 112 × 591 × 32 × 52 × 1271
LCM(28556,28575) = 815987700