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What is the Least Common Multiple of 91987 and 92005?

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 91987 and 92005 is 8463263935.

LCM(91987,92005) = 8463263935

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Least Common Multiple of 91987 and 92005 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91987 and 92005, than apply into the LCM equation.

GCF(91987,92005) = 1
LCM(91987,92005) = ( 91987 × 92005) / 1
LCM(91987,92005) = 8463263935 / 1
LCM(91987,92005) = 8463263935

Least Common Multiple (LCM) of 91987 and 92005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91987 and 92005. First we will calculate the prime factors of 91987 and 92005.

Prime Factorization of 91987

Prime factors of 91987 are 7, 17, 773. Prime factorization of 91987 in exponential form is:

91987 = 71 × 171 × 7731

Prime Factorization of 92005

Prime factors of 92005 are 5, 18401. Prime factorization of 92005 in exponential form is:

92005 = 51 × 184011

Now multiplying the highest exponent prime factors to calculate the LCM of 91987 and 92005.

LCM(91987,92005) = 71 × 171 × 7731 × 51 × 184011
LCM(91987,92005) = 8463263935