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What is the Least Common Multiple of 77781 and 77793?

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 77781 and 77793 is 2016939111.

LCM(77781,77793) = 2016939111

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Least Common Multiple of 77781 and 77793 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77781 and 77793, than apply into the LCM equation.

GCF(77781,77793) = 3
LCM(77781,77793) = ( 77781 × 77793) / 3
LCM(77781,77793) = 6050817333 / 3
LCM(77781,77793) = 2016939111

Least Common Multiple (LCM) of 77781 and 77793 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77781 and 77793. First we will calculate the prime factors of 77781 and 77793.

Prime Factorization of 77781

Prime factors of 77781 are 3, 11, 2357. Prime factorization of 77781 in exponential form is:

77781 = 31 × 111 × 23571

Prime Factorization of 77793

Prime factors of 77793 are 3, 25931. Prime factorization of 77793 in exponential form is:

77793 = 31 × 259311

Now multiplying the highest exponent prime factors to calculate the LCM of 77781 and 77793.

LCM(77781,77793) = 31 × 111 × 23571 × 259311
LCM(77781,77793) = 2016939111