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What is the Least Common Multiple of 83905 and 83917?

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 83905 and 83917 is 7041055885.

LCM(83905,83917) = 7041055885

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Least Common Multiple of 83905 and 83917 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83905 and 83917, than apply into the LCM equation.

GCF(83905,83917) = 1
LCM(83905,83917) = ( 83905 × 83917) / 1
LCM(83905,83917) = 7041055885 / 1
LCM(83905,83917) = 7041055885

Least Common Multiple (LCM) of 83905 and 83917 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83905 and 83917. First we will calculate the prime factors of 83905 and 83917.

Prime Factorization of 83905

Prime factors of 83905 are 5, 97, 173. Prime factorization of 83905 in exponential form is:

83905 = 51 × 971 × 1731

Prime Factorization of 83917

Prime factors of 83917 are 31, 2707. Prime factorization of 83917 in exponential form is:

83917 = 311 × 27071

Now multiplying the highest exponent prime factors to calculate the LCM of 83905 and 83917.

LCM(83905,83917) = 51 × 971 × 1731 × 311 × 27071
LCM(83905,83917) = 7041055885