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What is the Least Common Multiple of 85982 and 85991?

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 85982 and 85991 is 7393678162.

LCM(85982,85991) = 7393678162

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Least Common Multiple of 85982 and 85991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85982 and 85991, than apply into the LCM equation.

GCF(85982,85991) = 1
LCM(85982,85991) = ( 85982 × 85991) / 1
LCM(85982,85991) = 7393678162 / 1
LCM(85982,85991) = 7393678162

Least Common Multiple (LCM) of 85982 and 85991 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85982 and 85991. First we will calculate the prime factors of 85982 and 85991.

Prime Factorization of 85982

Prime factors of 85982 are 2, 13, 3307. Prime factorization of 85982 in exponential form is:

85982 = 21 × 131 × 33071

Prime Factorization of 85991

Prime factors of 85991 are 85991. Prime factorization of 85991 in exponential form is:

85991 = 859911

Now multiplying the highest exponent prime factors to calculate the LCM of 85982 and 85991.

LCM(85982,85991) = 21 × 131 × 33071 × 859911
LCM(85982,85991) = 7393678162