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What is the Least Common Multiple of 9971 and 9977?

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 9971 and 9977 is 99480667.

LCM(9971,9977) = 99480667

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Least Common Multiple of 9971 and 9977 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9971 and 9977, than apply into the LCM equation.

GCF(9971,9977) = 1
LCM(9971,9977) = ( 9971 × 9977) / 1
LCM(9971,9977) = 99480667 / 1
LCM(9971,9977) = 99480667

Least Common Multiple (LCM) of 9971 and 9977 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9971 and 9977. First we will calculate the prime factors of 9971 and 9977.

Prime Factorization of 9971

Prime factors of 9971 are 13, 59. Prime factorization of 9971 in exponential form is:

9971 = 132 × 591

Prime Factorization of 9977

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

9977 = 111 × 9071

Now multiplying the highest exponent prime factors to calculate the LCM of 9971 and 9977.

LCM(9971,9977) = 132 × 591 × 111 × 9071
LCM(9971,9977) = 99480667