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What is the Least Common Multiple of 99963 and 99980?

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 99963 and 99980 is 9994300740.

LCM(99963,99980) = 9994300740

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Least Common Multiple of 99963 and 99980 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 99963 and 99980, than apply into the LCM equation.

GCF(99963,99980) = 1
LCM(99963,99980) = ( 99963 × 99980) / 1
LCM(99963,99980) = 9994300740 / 1
LCM(99963,99980) = 9994300740

Least Common Multiple (LCM) of 99963 and 99980 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 99963 and 99980. First we will calculate the prime factors of 99963 and 99980.

Prime Factorization of 99963

Prime factors of 99963 are 3, 29, 383. Prime factorization of 99963 in exponential form is:

99963 = 32 × 291 × 3831

Prime Factorization of 99980

Prime factors of 99980 are 2, 5, 4999. Prime factorization of 99980 in exponential form is:

99980 = 22 × 51 × 49991

Now multiplying the highest exponent prime factors to calculate the LCM of 99963 and 99980.

LCM(99963,99980) = 32 × 291 × 3831 × 22 × 51 × 49991
LCM(99963,99980) = 9994300740