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What is the Least Common Multiple of 83658 and 83668?

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 83658 and 83668 is 3499748772.

LCM(83658,83668) = 3499748772

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Least Common Multiple of 83658 and 83668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83658 and 83668, than apply into the LCM equation.

GCF(83658,83668) = 2
LCM(83658,83668) = ( 83658 × 83668) / 2
LCM(83658,83668) = 6999497544 / 2
LCM(83658,83668) = 3499748772

Least Common Multiple (LCM) of 83658 and 83668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83658 and 83668. First we will calculate the prime factors of 83658 and 83668.

Prime Factorization of 83658

Prime factors of 83658 are 2, 3, 73, 191. Prime factorization of 83658 in exponential form is:

83658 = 21 × 31 × 731 × 1911

Prime Factorization of 83668

Prime factors of 83668 are 2, 13, 1609. Prime factorization of 83668 in exponential form is:

83668 = 22 × 131 × 16091

Now multiplying the highest exponent prime factors to calculate the LCM of 83658 and 83668.

LCM(83658,83668) = 22 × 31 × 731 × 1911 × 131 × 16091
LCM(83658,83668) = 3499748772