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What is the Least Common Multiple of 91987 and 92001?

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 92001 is 1208985141.

LCM(91987,92001) = 1208985141

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Least Common Multiple of 91987 and 92001 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 92001, than apply into the LCM equation.

GCF(91987,92001) = 7
LCM(91987,92001) = ( 91987 × 92001) / 7
LCM(91987,92001) = 8462895987 / 7
LCM(91987,92001) = 1208985141

Least Common Multiple (LCM) of 91987 and 92001 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91987 and 92001. First we will calculate the prime factors of 91987 and 92001.

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 92001

Prime factors of 92001 are 3, 7, 13, 337. Prime factorization of 92001 in exponential form is:

92001 = 31 × 71 × 131 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 91987 and 92001.

LCM(91987,92001) = 71 × 171 × 7731 × 31 × 131 × 3371
LCM(91987,92001) = 1208985141