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What is the Least Common Multiple of 82971 and 82991?

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 82971 and 82991 is 6885846261.

LCM(82971,82991) = 6885846261

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Least Common Multiple of 82971 and 82991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82971 and 82991, than apply into the LCM equation.

GCF(82971,82991) = 1
LCM(82971,82991) = ( 82971 × 82991) / 1
LCM(82971,82991) = 6885846261 / 1
LCM(82971,82991) = 6885846261

Least Common Multiple (LCM) of 82971 and 82991 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82971 and 82991. First we will calculate the prime factors of 82971 and 82991.

Prime Factorization of 82971

Prime factors of 82971 are 3, 7, 439. Prime factorization of 82971 in exponential form is:

82971 = 33 × 71 × 4391

Prime Factorization of 82991

Prime factors of 82991 are 37, 2243. Prime factorization of 82991 in exponential form is:

82991 = 371 × 22431

Now multiplying the highest exponent prime factors to calculate the LCM of 82971 and 82991.

LCM(82971,82991) = 33 × 71 × 4391 × 371 × 22431
LCM(82971,82991) = 6885846261