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What is the Least Common Multiple of 75781 and 75794?

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 75781 and 75794 is 5743745114.

LCM(75781,75794) = 5743745114

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Least Common Multiple of 75781 and 75794 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75781 and 75794, than apply into the LCM equation.

GCF(75781,75794) = 1
LCM(75781,75794) = ( 75781 × 75794) / 1
LCM(75781,75794) = 5743745114 / 1
LCM(75781,75794) = 5743745114

Least Common Multiple (LCM) of 75781 and 75794 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75781 and 75794. First we will calculate the prime factors of 75781 and 75794.

Prime Factorization of 75781

Prime factors of 75781 are 75781. Prime factorization of 75781 in exponential form is:

75781 = 757811

Prime Factorization of 75794

Prime factors of 75794 are 2, 37897. Prime factorization of 75794 in exponential form is:

75794 = 21 × 378971

Now multiplying the highest exponent prime factors to calculate the LCM of 75781 and 75794.

LCM(75781,75794) = 757811 × 21 × 378971
LCM(75781,75794) = 5743745114