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What is the Least Common Multiple of 81914 and 81923?

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 81914 and 81923 is 6710640622.

LCM(81914,81923) = 6710640622

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Least Common Multiple of 81914 and 81923 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81914 and 81923, than apply into the LCM equation.

GCF(81914,81923) = 1
LCM(81914,81923) = ( 81914 × 81923) / 1
LCM(81914,81923) = 6710640622 / 1
LCM(81914,81923) = 6710640622

Least Common Multiple (LCM) of 81914 and 81923 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81914 and 81923. First we will calculate the prime factors of 81914 and 81923.

Prime Factorization of 81914

Prime factors of 81914 are 2, 7, 5851. Prime factorization of 81914 in exponential form is:

81914 = 21 × 71 × 58511

Prime Factorization of 81923

Prime factors of 81923 are 17, 61, 79. Prime factorization of 81923 in exponential form is:

81923 = 171 × 611 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 81914 and 81923.

LCM(81914,81923) = 21 × 71 × 58511 × 171 × 611 × 791
LCM(81914,81923) = 6710640622