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What is the Least Common Multiple of 28641 and 28652?

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 28641 and 28652 is 820621932.

LCM(28641,28652) = 820621932

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Least Common Multiple of 28641 and 28652 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28641 and 28652, than apply into the LCM equation.

GCF(28641,28652) = 1
LCM(28641,28652) = ( 28641 × 28652) / 1
LCM(28641,28652) = 820621932 / 1
LCM(28641,28652) = 820621932

Least Common Multiple (LCM) of 28641 and 28652 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28641 and 28652. First we will calculate the prime factors of 28641 and 28652.

Prime Factorization of 28641

Prime factors of 28641 are 3, 9547. Prime factorization of 28641 in exponential form is:

28641 = 31 × 95471

Prime Factorization of 28652

Prime factors of 28652 are 2, 13, 19, 29. Prime factorization of 28652 in exponential form is:

28652 = 22 × 131 × 191 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 28641 and 28652.

LCM(28641,28652) = 31 × 95471 × 22 × 131 × 191 × 291
LCM(28641,28652) = 820621932