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What is the Least Common Multiple of 80638 and 80654?

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 80638 and 80654 is 3251888626.

LCM(80638,80654) = 3251888626

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Least Common Multiple of 80638 and 80654 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80638 and 80654, than apply into the LCM equation.

GCF(80638,80654) = 2
LCM(80638,80654) = ( 80638 × 80654) / 2
LCM(80638,80654) = 6503777252 / 2
LCM(80638,80654) = 3251888626

Least Common Multiple (LCM) of 80638 and 80654 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80638 and 80654. First we will calculate the prime factors of 80638 and 80654.

Prime Factorization of 80638

Prime factors of 80638 are 2, 23, 1753. Prime factorization of 80638 in exponential form is:

80638 = 21 × 231 × 17531

Prime Factorization of 80654

Prime factors of 80654 are 2, 7, 823. Prime factorization of 80654 in exponential form is:

80654 = 21 × 72 × 8231

Now multiplying the highest exponent prime factors to calculate the LCM of 80638 and 80654.

LCM(80638,80654) = 21 × 231 × 17531 × 72 × 8231
LCM(80638,80654) = 3251888626