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What is the Least Common Multiple of 9929 and 9940?

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 9929 and 9940 is 98694260.

LCM(9929,9940) = 98694260

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Least Common Multiple of 9929 and 9940 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9929 and 9940, than apply into the LCM equation.

GCF(9929,9940) = 1
LCM(9929,9940) = ( 9929 × 9940) / 1
LCM(9929,9940) = 98694260 / 1
LCM(9929,9940) = 98694260

Least Common Multiple (LCM) of 9929 and 9940 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9929 and 9940. First we will calculate the prime factors of 9929 and 9940.

Prime Factorization of 9929

Prime factors of 9929 are 9929. Prime factorization of 9929 in exponential form is:

9929 = 99291

Prime Factorization of 9940

Prime factors of 9940 are 2, 5, 7, 71. Prime factorization of 9940 in exponential form is:

9940 = 22 × 51 × 71 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 9929 and 9940.

LCM(9929,9940) = 99291 × 22 × 51 × 71 × 711
LCM(9929,9940) = 98694260