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What is the Least Common Multiple of 83684 and 83688?

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 83684 and 83688 is 1750836648.

LCM(83684,83688) = 1750836648

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Least Common Multiple of 83684 and 83688 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83684 and 83688, than apply into the LCM equation.

GCF(83684,83688) = 4
LCM(83684,83688) = ( 83684 × 83688) / 4
LCM(83684,83688) = 7003346592 / 4
LCM(83684,83688) = 1750836648

Least Common Multiple (LCM) of 83684 and 83688 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83684 and 83688. First we will calculate the prime factors of 83684 and 83688.

Prime Factorization of 83684

Prime factors of 83684 are 2, 20921. Prime factorization of 83684 in exponential form is:

83684 = 22 × 209211

Prime Factorization of 83688

Prime factors of 83688 are 2, 3, 11, 317. Prime factorization of 83688 in exponential form is:

83688 = 23 × 31 × 111 × 3171

Now multiplying the highest exponent prime factors to calculate the LCM of 83684 and 83688.

LCM(83684,83688) = 23 × 209211 × 31 × 111 × 3171
LCM(83684,83688) = 1750836648