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What is the Least Common Multiple of 81774 and 81779?

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 81774 and 81779 is 6687395946.

LCM(81774,81779) = 6687395946

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Least Common Multiple of 81774 and 81779 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81774 and 81779, than apply into the LCM equation.

GCF(81774,81779) = 1
LCM(81774,81779) = ( 81774 × 81779) / 1
LCM(81774,81779) = 6687395946 / 1
LCM(81774,81779) = 6687395946

Least Common Multiple (LCM) of 81774 and 81779 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81774 and 81779. First we will calculate the prime factors of 81774 and 81779.

Prime Factorization of 81774

Prime factors of 81774 are 2, 3, 7, 11, 59. Prime factorization of 81774 in exponential form is:

81774 = 21 × 32 × 71 × 111 × 591

Prime Factorization of 81779

Prime factors of 81779 are 53, 1543. Prime factorization of 81779 in exponential form is:

81779 = 531 × 15431

Now multiplying the highest exponent prime factors to calculate the LCM of 81774 and 81779.

LCM(81774,81779) = 21 × 32 × 71 × 111 × 591 × 531 × 15431
LCM(81774,81779) = 6687395946