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What is the Least Common Multiple of 9977 and 9992?

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 9977 and 9992 is 99690184.

LCM(9977,9992) = 99690184

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Least Common Multiple of 9977 and 9992 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9977 and 9992, than apply into the LCM equation.

GCF(9977,9992) = 1
LCM(9977,9992) = ( 9977 × 9992) / 1
LCM(9977,9992) = 99690184 / 1
LCM(9977,9992) = 99690184

Least Common Multiple (LCM) of 9977 and 9992 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9977 and 9992. First we will calculate the prime factors of 9977 and 9992.

Prime Factorization of 9977

Prime factors of 9977 are 11, 907. Prime factorization of 9977 in exponential form is:

9977 = 111 × 9071

Prime Factorization of 9992

Prime factors of 9992 are 2, 1249. Prime factorization of 9992 in exponential form is:

9992 = 23 × 12491

Now multiplying the highest exponent prime factors to calculate the LCM of 9977 and 9992.

LCM(9977,9992) = 111 × 9071 × 23 × 12491
LCM(9977,9992) = 99690184