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What is the Least Common Multiple of 9998 and 10018?

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 9998 and 10018 is 50079982.

LCM(9998,10018) = 50079982

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Least Common Multiple of 9998 and 10018 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9998 and 10018, than apply into the LCM equation.

GCF(9998,10018) = 2
LCM(9998,10018) = ( 9998 × 10018) / 2
LCM(9998,10018) = 100159964 / 2
LCM(9998,10018) = 50079982

Least Common Multiple (LCM) of 9998 and 10018 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9998 and 10018. First we will calculate the prime factors of 9998 and 10018.

Prime Factorization of 9998

Prime factors of 9998 are 2, 4999. Prime factorization of 9998 in exponential form is:

9998 = 21 × 49991

Prime Factorization of 10018

Prime factors of 10018 are 2, 5009. Prime factorization of 10018 in exponential form is:

10018 = 21 × 50091

Now multiplying the highest exponent prime factors to calculate the LCM of 9998 and 10018.

LCM(9998,10018) = 21 × 49991 × 50091
LCM(9998,10018) = 50079982