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What is the Least Common Multiple of 71784 and 71803?

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 71784 and 71803 is 5154306552.

LCM(71784,71803) = 5154306552

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Least Common Multiple of 71784 and 71803 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71784 and 71803, than apply into the LCM equation.

GCF(71784,71803) = 1
LCM(71784,71803) = ( 71784 × 71803) / 1
LCM(71784,71803) = 5154306552 / 1
LCM(71784,71803) = 5154306552

Least Common Multiple (LCM) of 71784 and 71803 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71784 and 71803. First we will calculate the prime factors of 71784 and 71803.

Prime Factorization of 71784

Prime factors of 71784 are 2, 3, 997. Prime factorization of 71784 in exponential form is:

71784 = 23 × 32 × 9971

Prime Factorization of 71803

Prime factors of 71803 are 59, 1217. Prime factorization of 71803 in exponential form is:

71803 = 591 × 12171

Now multiplying the highest exponent prime factors to calculate the LCM of 71784 and 71803.

LCM(71784,71803) = 23 × 32 × 9971 × 591 × 12171
LCM(71784,71803) = 5154306552