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What is the Least Common Multiple of 75642 and 75655?

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 75642 and 75655 is 5722695510.

LCM(75642,75655) = 5722695510

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Least Common Multiple of 75642 and 75655 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75642 and 75655, than apply into the LCM equation.

GCF(75642,75655) = 1
LCM(75642,75655) = ( 75642 × 75655) / 1
LCM(75642,75655) = 5722695510 / 1
LCM(75642,75655) = 5722695510

Least Common Multiple (LCM) of 75642 and 75655 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75642 and 75655. First we will calculate the prime factors of 75642 and 75655.

Prime Factorization of 75642

Prime factors of 75642 are 2, 3, 7, 1801. Prime factorization of 75642 in exponential form is:

75642 = 21 × 31 × 71 × 18011

Prime Factorization of 75655

Prime factors of 75655 are 5, 15131. Prime factorization of 75655 in exponential form is:

75655 = 51 × 151311

Now multiplying the highest exponent prime factors to calculate the LCM of 75642 and 75655.

LCM(75642,75655) = 21 × 31 × 71 × 18011 × 51 × 151311
LCM(75642,75655) = 5722695510