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What is the Least Common Multiple of 80100 and 80105?

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 80100 and 80105 is 1283282100.

LCM(80100,80105) = 1283282100

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Least Common Multiple of 80100 and 80105 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80100 and 80105, than apply into the LCM equation.

GCF(80100,80105) = 5
LCM(80100,80105) = ( 80100 × 80105) / 5
LCM(80100,80105) = 6416410500 / 5
LCM(80100,80105) = 1283282100

Least Common Multiple (LCM) of 80100 and 80105 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80100 and 80105. First we will calculate the prime factors of 80100 and 80105.

Prime Factorization of 80100

Prime factors of 80100 are 2, 3, 5, 89. Prime factorization of 80100 in exponential form is:

80100 = 22 × 32 × 52 × 891

Prime Factorization of 80105

Prime factors of 80105 are 5, 37, 433. Prime factorization of 80105 in exponential form is:

80105 = 51 × 371 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 80100 and 80105.

LCM(80100,80105) = 22 × 32 × 52 × 891 × 371 × 4331
LCM(80100,80105) = 1283282100