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What is the Least Common Multiple of 83897 and 83915?

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 83897 and 83915 is 7040216755.

LCM(83897,83915) = 7040216755

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Least Common Multiple of 83897 and 83915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83897 and 83915, than apply into the LCM equation.

GCF(83897,83915) = 1
LCM(83897,83915) = ( 83897 × 83915) / 1
LCM(83897,83915) = 7040216755 / 1
LCM(83897,83915) = 7040216755

Least Common Multiple (LCM) of 83897 and 83915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83897 and 83915. First we will calculate the prime factors of 83897 and 83915.

Prime Factorization of 83897

Prime factors of 83897 are 11, 29, 263. Prime factorization of 83897 in exponential form is:

83897 = 111 × 291 × 2631

Prime Factorization of 83915

Prime factors of 83915 are 5, 13, 1291. Prime factorization of 83915 in exponential form is:

83915 = 51 × 131 × 12911

Now multiplying the highest exponent prime factors to calculate the LCM of 83897 and 83915.

LCM(83897,83915) = 111 × 291 × 2631 × 51 × 131 × 12911
LCM(83897,83915) = 7040216755