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What is the Least Common Multiple of 39773 and 39781?

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 39773 and 39781 is 1582209713.

LCM(39773,39781) = 1582209713

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Least Common Multiple of 39773 and 39781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39773 and 39781, than apply into the LCM equation.

GCF(39773,39781) = 1
LCM(39773,39781) = ( 39773 × 39781) / 1
LCM(39773,39781) = 1582209713 / 1
LCM(39773,39781) = 1582209713

Least Common Multiple (LCM) of 39773 and 39781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39773 and 39781. First we will calculate the prime factors of 39773 and 39781.

Prime Factorization of 39773

Prime factors of 39773 are 31, 1283. Prime factorization of 39773 in exponential form is:

39773 = 311 × 12831

Prime Factorization of 39781

Prime factors of 39781 are 7, 5683. Prime factorization of 39781 in exponential form is:

39781 = 71 × 56831

Now multiplying the highest exponent prime factors to calculate the LCM of 39773 and 39781.

LCM(39773,39781) = 311 × 12831 × 71 × 56831
LCM(39773,39781) = 1582209713