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What is the Least Common Multiple of 28498 and 28509?

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 28498 and 28509 is 812449482.

LCM(28498,28509) = 812449482

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Least Common Multiple of 28498 and 28509 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28498 and 28509, than apply into the LCM equation.

GCF(28498,28509) = 1
LCM(28498,28509) = ( 28498 × 28509) / 1
LCM(28498,28509) = 812449482 / 1
LCM(28498,28509) = 812449482

Least Common Multiple (LCM) of 28498 and 28509 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28498 and 28509. First we will calculate the prime factors of 28498 and 28509.

Prime Factorization of 28498

Prime factors of 28498 are 2, 14249. Prime factorization of 28498 in exponential form is:

28498 = 21 × 142491

Prime Factorization of 28509

Prime factors of 28509 are 3, 13, 17, 43. Prime factorization of 28509 in exponential form is:

28509 = 31 × 131 × 171 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 28498 and 28509.

LCM(28498,28509) = 21 × 142491 × 31 × 131 × 171 × 431
LCM(28498,28509) = 812449482