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What is the Least Common Multiple of 28310 and 28330?

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 28310 and 28330 is 80202230.

LCM(28310,28330) = 80202230

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Least Common Multiple of 28310 and 28330 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28310 and 28330, than apply into the LCM equation.

GCF(28310,28330) = 10
LCM(28310,28330) = ( 28310 × 28330) / 10
LCM(28310,28330) = 802022300 / 10
LCM(28310,28330) = 80202230

Least Common Multiple (LCM) of 28310 and 28330 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28310 and 28330. First we will calculate the prime factors of 28310 and 28330.

Prime Factorization of 28310

Prime factors of 28310 are 2, 5, 19, 149. Prime factorization of 28310 in exponential form is:

28310 = 21 × 51 × 191 × 1491

Prime Factorization of 28330

Prime factors of 28330 are 2, 5, 2833. Prime factorization of 28330 in exponential form is:

28330 = 21 × 51 × 28331

Now multiplying the highest exponent prime factors to calculate the LCM of 28310 and 28330.

LCM(28310,28330) = 21 × 51 × 191 × 1491 × 28331
LCM(28310,28330) = 80202230