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What is the Least Common Multiple of 83487 and 83491?

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 83487 and 83491 is 6970413117.

LCM(83487,83491) = 6970413117

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Least Common Multiple of 83487 and 83491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83487 and 83491, than apply into the LCM equation.

GCF(83487,83491) = 1
LCM(83487,83491) = ( 83487 × 83491) / 1
LCM(83487,83491) = 6970413117 / 1
LCM(83487,83491) = 6970413117

Least Common Multiple (LCM) of 83487 and 83491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83487 and 83491. First we will calculate the prime factors of 83487 and 83491.

Prime Factorization of 83487

Prime factors of 83487 are 3, 17, 1637. Prime factorization of 83487 in exponential form is:

83487 = 31 × 171 × 16371

Prime Factorization of 83491

Prime factors of 83491 are 29, 2879. Prime factorization of 83491 in exponential form is:

83491 = 291 × 28791

Now multiplying the highest exponent prime factors to calculate the LCM of 83487 and 83491.

LCM(83487,83491) = 31 × 171 × 16371 × 291 × 28791
LCM(83487,83491) = 6970413117