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What is the Least Common Multiple of 39281 and 39291?

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 39281 and 39291 is 1543389771.

LCM(39281,39291) = 1543389771

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Least Common Multiple of 39281 and 39291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39281 and 39291, than apply into the LCM equation.

GCF(39281,39291) = 1
LCM(39281,39291) = ( 39281 × 39291) / 1
LCM(39281,39291) = 1543389771 / 1
LCM(39281,39291) = 1543389771

Least Common Multiple (LCM) of 39281 and 39291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39281 and 39291. First we will calculate the prime factors of 39281 and 39291.

Prime Factorization of 39281

Prime factors of 39281 are 11, 3571. Prime factorization of 39281 in exponential form is:

39281 = 111 × 35711

Prime Factorization of 39291

Prime factors of 39291 are 3, 7, 1871. Prime factorization of 39291 in exponential form is:

39291 = 31 × 71 × 18711

Now multiplying the highest exponent prime factors to calculate the LCM of 39281 and 39291.

LCM(39281,39291) = 111 × 35711 × 31 × 71 × 18711
LCM(39281,39291) = 1543389771