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What is the Least Common Multiple of 83943 and 83960?

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 83943 and 83960 is 7047854280.

LCM(83943,83960) = 7047854280

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Least Common Multiple of 83943 and 83960 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83943 and 83960, than apply into the LCM equation.

GCF(83943,83960) = 1
LCM(83943,83960) = ( 83943 × 83960) / 1
LCM(83943,83960) = 7047854280 / 1
LCM(83943,83960) = 7047854280

Least Common Multiple (LCM) of 83943 and 83960 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83943 and 83960. First we will calculate the prime factors of 83943 and 83960.

Prime Factorization of 83943

Prime factors of 83943 are 3, 3109. Prime factorization of 83943 in exponential form is:

83943 = 33 × 31091

Prime Factorization of 83960

Prime factors of 83960 are 2, 5, 2099. Prime factorization of 83960 in exponential form is:

83960 = 23 × 51 × 20991

Now multiplying the highest exponent prime factors to calculate the LCM of 83943 and 83960.

LCM(83943,83960) = 33 × 31091 × 23 × 51 × 20991
LCM(83943,83960) = 7047854280