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What is the Least Common Multiple of 83691 and 83700?

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 83691 and 83700 is 778326300.

LCM(83691,83700) = 778326300

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Least Common Multiple of 83691 and 83700 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83691 and 83700, than apply into the LCM equation.

GCF(83691,83700) = 9
LCM(83691,83700) = ( 83691 × 83700) / 9
LCM(83691,83700) = 7004936700 / 9
LCM(83691,83700) = 778326300

Least Common Multiple (LCM) of 83691 and 83700 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83691 and 83700. First we will calculate the prime factors of 83691 and 83700.

Prime Factorization of 83691

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

83691 = 32 × 171 × 5471

Prime Factorization of 83700

Prime factors of 83700 are 2, 3, 5, 31. Prime factorization of 83700 in exponential form is:

83700 = 22 × 33 × 52 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 83691 and 83700.

LCM(83691,83700) = 33 × 171 × 5471 × 22 × 52 × 311
LCM(83691,83700) = 778326300