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What is the Least Common Multiple of 78807 and 78817?

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 78807 and 78817 is 6211331319.

LCM(78807,78817) = 6211331319

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Least Common Multiple of 78807 and 78817 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78807 and 78817, than apply into the LCM equation.

GCF(78807,78817) = 1
LCM(78807,78817) = ( 78807 × 78817) / 1
LCM(78807,78817) = 6211331319 / 1
LCM(78807,78817) = 6211331319

Least Common Multiple (LCM) of 78807 and 78817 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78807 and 78817. First we will calculate the prime factors of 78807 and 78817.

Prime Factorization of 78807

Prime factors of 78807 are 3, 109, 241. Prime factorization of 78807 in exponential form is:

78807 = 31 × 1091 × 2411

Prime Factorization of 78817

Prime factors of 78817 are 269, 293. Prime factorization of 78817 in exponential form is:

78817 = 2691 × 2931

Now multiplying the highest exponent prime factors to calculate the LCM of 78807 and 78817.

LCM(78807,78817) = 31 × 1091 × 2411 × 2691 × 2931
LCM(78807,78817) = 6211331319