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What is the Least Common Multiple of 28652 and 28656?

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 28652 and 28656 is 205262928.

LCM(28652,28656) = 205262928

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Least Common Multiple of 28652 and 28656 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28652 and 28656, than apply into the LCM equation.

GCF(28652,28656) = 4
LCM(28652,28656) = ( 28652 × 28656) / 4
LCM(28652,28656) = 821051712 / 4
LCM(28652,28656) = 205262928

Least Common Multiple (LCM) of 28652 and 28656 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28652 and 28656. First we will calculate the prime factors of 28652 and 28656.

Prime Factorization of 28652

Prime factors of 28652 are 2, 13, 19, 29. Prime factorization of 28652 in exponential form is:

28652 = 22 × 131 × 191 × 291

Prime Factorization of 28656

Prime factors of 28656 are 2, 3, 199. Prime factorization of 28656 in exponential form is:

28656 = 24 × 32 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 28652 and 28656.

LCM(28652,28656) = 24 × 131 × 191 × 291 × 32 × 1991
LCM(28652,28656) = 205262928