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What is the Least Common Multiple of 99974 and 99984?

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 99974 and 99984 is 4997900208.

LCM(99974,99984) = 4997900208

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Least Common Multiple of 99974 and 99984 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99974 and 99984, than apply into the LCM equation.

GCF(99974,99984) = 2
LCM(99974,99984) = ( 99974 × 99984) / 2
LCM(99974,99984) = 9995800416 / 2
LCM(99974,99984) = 4997900208

Least Common Multiple (LCM) of 99974 and 99984 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99974 and 99984. First we will calculate the prime factors of 99974 and 99984.

Prime Factorization of 99974

Prime factors of 99974 are 2, 7, 37, 193. Prime factorization of 99974 in exponential form is:

99974 = 21 × 71 × 371 × 1931

Prime Factorization of 99984

Prime factors of 99984 are 2, 3, 2083. Prime factorization of 99984 in exponential form is:

99984 = 24 × 31 × 20831

Now multiplying the highest exponent prime factors to calculate the LCM of 99974 and 99984.

LCM(99974,99984) = 24 × 71 × 371 × 1931 × 31 × 20831
LCM(99974,99984) = 4997900208