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What is the Least Common Multiple of 28885 and 28904?

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 28885 and 28904 is 834892040.

LCM(28885,28904) = 834892040

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Least Common Multiple of 28885 and 28904 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28885 and 28904, than apply into the LCM equation.

GCF(28885,28904) = 1
LCM(28885,28904) = ( 28885 × 28904) / 1
LCM(28885,28904) = 834892040 / 1
LCM(28885,28904) = 834892040

Least Common Multiple (LCM) of 28885 and 28904 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28885 and 28904. First we will calculate the prime factors of 28885 and 28904.

Prime Factorization of 28885

Prime factors of 28885 are 5, 53, 109. Prime factorization of 28885 in exponential form is:

28885 = 51 × 531 × 1091

Prime Factorization of 28904

Prime factors of 28904 are 2, 3613. Prime factorization of 28904 in exponential form is:

28904 = 23 × 36131

Now multiplying the highest exponent prime factors to calculate the LCM of 28885 and 28904.

LCM(28885,28904) = 51 × 531 × 1091 × 23 × 36131
LCM(28885,28904) = 834892040