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What is the Least Common Multiple of 9998 and 10011?

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 10011 is 100089978.

LCM(9998,10011) = 100089978

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Least Common Multiple of 9998 and 10011 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 10011, than apply into the LCM equation.

GCF(9998,10011) = 1
LCM(9998,10011) = ( 9998 × 10011) / 1
LCM(9998,10011) = 100089978 / 1
LCM(9998,10011) = 100089978

Least Common Multiple (LCM) of 9998 and 10011 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9998 and 10011. First we will calculate the prime factors of 9998 and 10011.

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 10011

Prime factors of 10011 are 3, 47, 71. Prime factorization of 10011 in exponential form is:

10011 = 31 × 471 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 9998 and 10011.

LCM(9998,10011) = 21 × 49991 × 31 × 471 × 711
LCM(9998,10011) = 100089978