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What is the Least Common Multiple of 83895 and 83905?

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 83895 and 83905 is 1407841995.

LCM(83895,83905) = 1407841995

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Least Common Multiple of 83895 and 83905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83895 and 83905, than apply into the LCM equation.

GCF(83895,83905) = 5
LCM(83895,83905) = ( 83895 × 83905) / 5
LCM(83895,83905) = 7039209975 / 5
LCM(83895,83905) = 1407841995

Least Common Multiple (LCM) of 83895 and 83905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83895 and 83905. First we will calculate the prime factors of 83895 and 83905.

Prime Factorization of 83895

Prime factors of 83895 are 3, 5, 7, 17, 47. Prime factorization of 83895 in exponential form is:

83895 = 31 × 51 × 71 × 171 × 471

Prime Factorization of 83905

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

83905 = 51 × 971 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 83895 and 83905.

LCM(83895,83905) = 31 × 51 × 71 × 171 × 471 × 971 × 1731
LCM(83895,83905) = 1407841995