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What is the Least Common Multiple of 81838 and 81853?

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 81838 and 81853 is 6698685814.

LCM(81838,81853) = 6698685814

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Least Common Multiple of 81838 and 81853 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81838 and 81853, than apply into the LCM equation.

GCF(81838,81853) = 1
LCM(81838,81853) = ( 81838 × 81853) / 1
LCM(81838,81853) = 6698685814 / 1
LCM(81838,81853) = 6698685814

Least Common Multiple (LCM) of 81838 and 81853 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81838 and 81853. First we will calculate the prime factors of 81838 and 81853.

Prime Factorization of 81838

Prime factors of 81838 are 2, 17, 29, 83. Prime factorization of 81838 in exponential form is:

81838 = 21 × 171 × 291 × 831

Prime Factorization of 81853

Prime factors of 81853 are 81853. Prime factorization of 81853 in exponential form is:

81853 = 818531

Now multiplying the highest exponent prime factors to calculate the LCM of 81838 and 81853.

LCM(81838,81853) = 21 × 171 × 291 × 831 × 818531
LCM(81838,81853) = 6698685814