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What is the Least Common Multiple of 81767 and 81784?

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 81767 and 81784 is 6687232328.

LCM(81767,81784) = 6687232328

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Least Common Multiple of 81767 and 81784 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81767 and 81784, than apply into the LCM equation.

GCF(81767,81784) = 1
LCM(81767,81784) = ( 81767 × 81784) / 1
LCM(81767,81784) = 6687232328 / 1
LCM(81767,81784) = 6687232328

Least Common Multiple (LCM) of 81767 and 81784 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81767 and 81784. First we will calculate the prime factors of 81767 and 81784.

Prime Factorization of 81767

Prime factors of 81767 are 7, 11681. Prime factorization of 81767 in exponential form is:

81767 = 71 × 116811

Prime Factorization of 81784

Prime factors of 81784 are 2, 10223. Prime factorization of 81784 in exponential form is:

81784 = 23 × 102231

Now multiplying the highest exponent prime factors to calculate the LCM of 81767 and 81784.

LCM(81767,81784) = 71 × 116811 × 23 × 102231
LCM(81767,81784) = 6687232328