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What is the Least Common Multiple of 9644 and 9656?

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 9644 and 9656 is 23280616.

LCM(9644,9656) = 23280616

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Least Common Multiple of 9644 and 9656 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9644 and 9656, than apply into the LCM equation.

GCF(9644,9656) = 4
LCM(9644,9656) = ( 9644 × 9656) / 4
LCM(9644,9656) = 93122464 / 4
LCM(9644,9656) = 23280616

Least Common Multiple (LCM) of 9644 and 9656 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9644 and 9656. First we will calculate the prime factors of 9644 and 9656.

Prime Factorization of 9644

Prime factors of 9644 are 2, 2411. Prime factorization of 9644 in exponential form is:

9644 = 22 × 24111

Prime Factorization of 9656

Prime factors of 9656 are 2, 17, 71. Prime factorization of 9656 in exponential form is:

9656 = 23 × 171 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 9644 and 9656.

LCM(9644,9656) = 23 × 24111 × 171 × 711
LCM(9644,9656) = 23280616