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What is the Least Common Multiple of 8656 and 8661?

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 8656 and 8661 is 74969616.

LCM(8656,8661) = 74969616

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Least Common Multiple of 8656 and 8661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8656 and 8661, than apply into the LCM equation.

GCF(8656,8661) = 1
LCM(8656,8661) = ( 8656 × 8661) / 1
LCM(8656,8661) = 74969616 / 1
LCM(8656,8661) = 74969616

Least Common Multiple (LCM) of 8656 and 8661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8656 and 8661. First we will calculate the prime factors of 8656 and 8661.

Prime Factorization of 8656

Prime factors of 8656 are 2, 541. Prime factorization of 8656 in exponential form is:

8656 = 24 × 5411

Prime Factorization of 8661

Prime factors of 8661 are 3, 2887. Prime factorization of 8661 in exponential form is:

8661 = 31 × 28871

Now multiplying the highest exponent prime factors to calculate the LCM of 8656 and 8661.

LCM(8656,8661) = 24 × 5411 × 31 × 28871
LCM(8656,8661) = 74969616