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What is the Least Common Multiple of 9994 and 9998?

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 9994 and 9998 is 49960006.

LCM(9994,9998) = 49960006

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Least Common Multiple of 9994 and 9998 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9994 and 9998, than apply into the LCM equation.

GCF(9994,9998) = 2
LCM(9994,9998) = ( 9994 × 9998) / 2
LCM(9994,9998) = 99920012 / 2
LCM(9994,9998) = 49960006

Least Common Multiple (LCM) of 9994 and 9998 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9994 and 9998. First we will calculate the prime factors of 9994 and 9998.

Prime Factorization of 9994

Prime factors of 9994 are 2, 19, 263. Prime factorization of 9994 in exponential form is:

9994 = 21 × 191 × 2631

Prime Factorization of 9998

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

9998 = 21 × 49991

Now multiplying the highest exponent prime factors to calculate the LCM of 9994 and 9998.

LCM(9994,9998) = 21 × 191 × 2631 × 49991
LCM(9994,9998) = 49960006