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What is the Least Common Multiple of 9932 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 9932 and 9940 is 24681020.

LCM(9932,9940) = 24681020

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Least Common Multiple of 9932 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 9932 and 9940, than apply into the LCM equation.

GCF(9932,9940) = 4
LCM(9932,9940) = ( 9932 × 9940) / 4
LCM(9932,9940) = 98724080 / 4
LCM(9932,9940) = 24681020

Least Common Multiple (LCM) of 9932 and 9940 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9932 and 9940. First we will calculate the prime factors of 9932 and 9940.

Prime Factorization of 9932

Prime factors of 9932 are 2, 13, 191. Prime factorization of 9932 in exponential form is:

9932 = 22 × 131 × 1911

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 9932 and 9940.

LCM(9932,9940) = 22 × 131 × 1911 × 51 × 71 × 711
LCM(9932,9940) = 24681020