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What is the Least Common Multiple of 9958 and 9974?

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 9958 and 9974 is 49660546.

LCM(9958,9974) = 49660546

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Least Common Multiple of 9958 and 9974 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9958 and 9974, than apply into the LCM equation.

GCF(9958,9974) = 2
LCM(9958,9974) = ( 9958 × 9974) / 2
LCM(9958,9974) = 99321092 / 2
LCM(9958,9974) = 49660546

Least Common Multiple (LCM) of 9958 and 9974 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9958 and 9974. First we will calculate the prime factors of 9958 and 9974.

Prime Factorization of 9958

Prime factors of 9958 are 2, 13, 383. Prime factorization of 9958 in exponential form is:

9958 = 21 × 131 × 3831

Prime Factorization of 9974

Prime factors of 9974 are 2, 4987. Prime factorization of 9974 in exponential form is:

9974 = 21 × 49871

Now multiplying the highest exponent prime factors to calculate the LCM of 9958 and 9974.

LCM(9958,9974) = 21 × 131 × 3831 × 49871
LCM(9958,9974) = 49660546