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What is the Least Common Multiple of 83685 and 83691?

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 83685 and 83691 is 2334560445.

LCM(83685,83691) = 2334560445

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Least Common Multiple of 83685 and 83691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83685 and 83691, than apply into the LCM equation.

GCF(83685,83691) = 3
LCM(83685,83691) = ( 83685 × 83691) / 3
LCM(83685,83691) = 7003681335 / 3
LCM(83685,83691) = 2334560445

Least Common Multiple (LCM) of 83685 and 83691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83685 and 83691. First we will calculate the prime factors of 83685 and 83691.

Prime Factorization of 83685

Prime factors of 83685 are 3, 5, 7, 797. Prime factorization of 83685 in exponential form is:

83685 = 31 × 51 × 71 × 7971

Prime Factorization of 83691

Prime factors of 83691 are 3, 17, 547. Prime factorization of 83691 in exponential form is:

83691 = 32 × 171 × 5471

Now multiplying the highest exponent prime factors to calculate the LCM of 83685 and 83691.

LCM(83685,83691) = 32 × 51 × 71 × 7971 × 171 × 5471
LCM(83685,83691) = 2334560445