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What is the Least Common Multiple of 28785 and 28802?

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 28785 and 28802 is 829065570.

LCM(28785,28802) = 829065570

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Least Common Multiple of 28785 and 28802 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28785 and 28802, than apply into the LCM equation.

GCF(28785,28802) = 1
LCM(28785,28802) = ( 28785 × 28802) / 1
LCM(28785,28802) = 829065570 / 1
LCM(28785,28802) = 829065570

Least Common Multiple (LCM) of 28785 and 28802 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28785 and 28802. First we will calculate the prime factors of 28785 and 28802.

Prime Factorization of 28785

Prime factors of 28785 are 3, 5, 19, 101. Prime factorization of 28785 in exponential form is:

28785 = 31 × 51 × 191 × 1011

Prime Factorization of 28802

Prime factors of 28802 are 2, 14401. Prime factorization of 28802 in exponential form is:

28802 = 21 × 144011

Now multiplying the highest exponent prime factors to calculate the LCM of 28785 and 28802.

LCM(28785,28802) = 31 × 51 × 191 × 1011 × 21 × 144011
LCM(28785,28802) = 829065570