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What is the Least Common Multiple of 28548 and 28568?

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 28548 and 28568 is 203889816.

LCM(28548,28568) = 203889816

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Least Common Multiple of 28548 and 28568 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28548 and 28568, than apply into the LCM equation.

GCF(28548,28568) = 4
LCM(28548,28568) = ( 28548 × 28568) / 4
LCM(28548,28568) = 815559264 / 4
LCM(28548,28568) = 203889816

Least Common Multiple (LCM) of 28548 and 28568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28548 and 28568. First we will calculate the prime factors of 28548 and 28568.

Prime Factorization of 28548

Prime factors of 28548 are 2, 3, 13, 61. Prime factorization of 28548 in exponential form is:

28548 = 22 × 32 × 131 × 611

Prime Factorization of 28568

Prime factors of 28568 are 2, 3571. Prime factorization of 28568 in exponential form is:

28568 = 23 × 35711

Now multiplying the highest exponent prime factors to calculate the LCM of 28548 and 28568.

LCM(28548,28568) = 23 × 32 × 131 × 611 × 35711
LCM(28548,28568) = 203889816