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What is the Least Common Multiple of 7742 and 7751?

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 7742 and 7751 is 60008242.

LCM(7742,7751) = 60008242

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Least Common Multiple of 7742 and 7751 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7742 and 7751, than apply into the LCM equation.

GCF(7742,7751) = 1
LCM(7742,7751) = ( 7742 × 7751) / 1
LCM(7742,7751) = 60008242 / 1
LCM(7742,7751) = 60008242

Least Common Multiple (LCM) of 7742 and 7751 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7742 and 7751. First we will calculate the prime factors of 7742 and 7751.

Prime Factorization of 7742

Prime factors of 7742 are 2, 7, 79. Prime factorization of 7742 in exponential form is:

7742 = 21 × 72 × 791

Prime Factorization of 7751

Prime factors of 7751 are 23, 337. Prime factorization of 7751 in exponential form is:

7751 = 231 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 7742 and 7751.

LCM(7742,7751) = 21 × 72 × 791 × 231 × 3371
LCM(7742,7751) = 60008242