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What is the Least Common Multiple of 28710 and 28726?

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 28710 and 28726 is 412361730.

LCM(28710,28726) = 412361730

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Least Common Multiple of 28710 and 28726 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28710 and 28726, than apply into the LCM equation.

GCF(28710,28726) = 2
LCM(28710,28726) = ( 28710 × 28726) / 2
LCM(28710,28726) = 824723460 / 2
LCM(28710,28726) = 412361730

Least Common Multiple (LCM) of 28710 and 28726 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28710 and 28726. First we will calculate the prime factors of 28710 and 28726.

Prime Factorization of 28710

Prime factors of 28710 are 2, 3, 5, 11, 29. Prime factorization of 28710 in exponential form is:

28710 = 21 × 32 × 51 × 111 × 291

Prime Factorization of 28726

Prime factors of 28726 are 2, 53, 271. Prime factorization of 28726 in exponential form is:

28726 = 21 × 531 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 28710 and 28726.

LCM(28710,28726) = 21 × 32 × 51 × 111 × 291 × 531 × 2711
LCM(28710,28726) = 412361730