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What is the Least Common Multiple of 9969 and 9975?

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 9969 and 9975 is 33146925.

LCM(9969,9975) = 33146925

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Least Common Multiple of 9969 and 9975 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9969 and 9975, than apply into the LCM equation.

GCF(9969,9975) = 3
LCM(9969,9975) = ( 9969 × 9975) / 3
LCM(9969,9975) = 99440775 / 3
LCM(9969,9975) = 33146925

Least Common Multiple (LCM) of 9969 and 9975 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9969 and 9975. First we will calculate the prime factors of 9969 and 9975.

Prime Factorization of 9969

Prime factors of 9969 are 3, 3323. Prime factorization of 9969 in exponential form is:

9969 = 31 × 33231

Prime Factorization of 9975

Prime factors of 9975 are 3, 5, 7, 19. Prime factorization of 9975 in exponential form is:

9975 = 31 × 52 × 71 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 9969 and 9975.

LCM(9969,9975) = 31 × 33231 × 52 × 71 × 191
LCM(9969,9975) = 33146925