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What is the Least Common Multiple of 74681 and 74686?

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 74681 and 74686 is 5577625166.

LCM(74681,74686) = 5577625166

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Least Common Multiple of 74681 and 74686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74681 and 74686, than apply into the LCM equation.

GCF(74681,74686) = 1
LCM(74681,74686) = ( 74681 × 74686) / 1
LCM(74681,74686) = 5577625166 / 1
LCM(74681,74686) = 5577625166

Least Common Multiple (LCM) of 74681 and 74686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74681 and 74686. First we will calculate the prime factors of 74681 and 74686.

Prime Factorization of 74681

Prime factors of 74681 are 17, 23, 191. Prime factorization of 74681 in exponential form is:

74681 = 171 × 231 × 1911

Prime Factorization of 74686

Prime factors of 74686 are 2, 107, 349. Prime factorization of 74686 in exponential form is:

74686 = 21 × 1071 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 74681 and 74686.

LCM(74681,74686) = 171 × 231 × 1911 × 21 × 1071 × 3491
LCM(74681,74686) = 5577625166