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What is the Least Common Multiple of 28754 and 28764?

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 28754 and 28764 is 413540028.

LCM(28754,28764) = 413540028

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Least Common Multiple of 28754 and 28764 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28754 and 28764, than apply into the LCM equation.

GCF(28754,28764) = 2
LCM(28754,28764) = ( 28754 × 28764) / 2
LCM(28754,28764) = 827080056 / 2
LCM(28754,28764) = 413540028

Least Common Multiple (LCM) of 28754 and 28764 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28754 and 28764. First we will calculate the prime factors of 28754 and 28764.

Prime Factorization of 28754

Prime factors of 28754 are 2, 11, 1307. Prime factorization of 28754 in exponential form is:

28754 = 21 × 111 × 13071

Prime Factorization of 28764

Prime factors of 28764 are 2, 3, 17, 47. Prime factorization of 28764 in exponential form is:

28764 = 22 × 32 × 171 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 28754 and 28764.

LCM(28754,28764) = 22 × 111 × 13071 × 32 × 171 × 471
LCM(28754,28764) = 413540028