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What is the Least Common Multiple of 9998 and 10008?

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 10008 is 50029992.

LCM(9998,10008) = 50029992

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Least Common Multiple of 9998 and 10008 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 10008, than apply into the LCM equation.

GCF(9998,10008) = 2
LCM(9998,10008) = ( 9998 × 10008) / 2
LCM(9998,10008) = 100059984 / 2
LCM(9998,10008) = 50029992

Least Common Multiple (LCM) of 9998 and 10008 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9998 and 10008. First we will calculate the prime factors of 9998 and 10008.

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 10008

Prime factors of 10008 are 2, 3, 139. Prime factorization of 10008 in exponential form is:

10008 = 23 × 32 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 9998 and 10008.

LCM(9998,10008) = 23 × 49991 × 32 × 1391
LCM(9998,10008) = 50029992