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What is the Least Common Multiple of 81449 and 81465?

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 81449 and 81465 is 6635242785.

LCM(81449,81465) = 6635242785

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Least Common Multiple of 81449 and 81465 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81449 and 81465, than apply into the LCM equation.

GCF(81449,81465) = 1
LCM(81449,81465) = ( 81449 × 81465) / 1
LCM(81449,81465) = 6635242785 / 1
LCM(81449,81465) = 6635242785

Least Common Multiple (LCM) of 81449 and 81465 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81449 and 81465. First we will calculate the prime factors of 81449 and 81465.

Prime Factorization of 81449

Prime factors of 81449 are 79, 1031. Prime factorization of 81449 in exponential form is:

81449 = 791 × 10311

Prime Factorization of 81465

Prime factors of 81465 are 3, 5, 5431. Prime factorization of 81465 in exponential form is:

81465 = 31 × 51 × 54311

Now multiplying the highest exponent prime factors to calculate the LCM of 81449 and 81465.

LCM(81449,81465) = 791 × 10311 × 31 × 51 × 54311
LCM(81449,81465) = 6635242785