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What is the Least Common Multiple of 28656 and 28666?

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 28656 and 28666 is 410726448.

LCM(28656,28666) = 410726448

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Least Common Multiple of 28656 and 28666 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28656 and 28666, than apply into the LCM equation.

GCF(28656,28666) = 2
LCM(28656,28666) = ( 28656 × 28666) / 2
LCM(28656,28666) = 821452896 / 2
LCM(28656,28666) = 410726448

Least Common Multiple (LCM) of 28656 and 28666 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28656 and 28666. First we will calculate the prime factors of 28656 and 28666.

Prime Factorization of 28656

Prime factors of 28656 are 2, 3, 199. Prime factorization of 28656 in exponential form is:

28656 = 24 × 32 × 1991

Prime Factorization of 28666

Prime factors of 28666 are 2, 11, 1303. Prime factorization of 28666 in exponential form is:

28666 = 21 × 111 × 13031

Now multiplying the highest exponent prime factors to calculate the LCM of 28656 and 28666.

LCM(28656,28666) = 24 × 32 × 1991 × 111 × 13031
LCM(28656,28666) = 410726448