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What is the Least Common Multiple of 9959 and 9979?

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 9959 and 9979 is 99380861.

LCM(9959,9979) = 99380861

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Least Common Multiple of 9959 and 9979 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9959 and 9979, than apply into the LCM equation.

GCF(9959,9979) = 1
LCM(9959,9979) = ( 9959 × 9979) / 1
LCM(9959,9979) = 99380861 / 1
LCM(9959,9979) = 99380861

Least Common Multiple (LCM) of 9959 and 9979 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9959 and 9979. First we will calculate the prime factors of 9959 and 9979.

Prime Factorization of 9959

Prime factors of 9959 are 23, 433. Prime factorization of 9959 in exponential form is:

9959 = 231 × 4331

Prime Factorization of 9979

Prime factors of 9979 are 17, 587. Prime factorization of 9979 in exponential form is:

9979 = 171 × 5871

Now multiplying the highest exponent prime factors to calculate the LCM of 9959 and 9979.

LCM(9959,9979) = 231 × 4331 × 171 × 5871
LCM(9959,9979) = 99380861