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What is the Least Common Multiple of 39574 and 39585?

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 39574 and 39585 is 1566536790.

LCM(39574,39585) = 1566536790

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Least Common Multiple of 39574 and 39585 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39574 and 39585, than apply into the LCM equation.

GCF(39574,39585) = 1
LCM(39574,39585) = ( 39574 × 39585) / 1
LCM(39574,39585) = 1566536790 / 1
LCM(39574,39585) = 1566536790

Least Common Multiple (LCM) of 39574 and 39585 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39574 and 39585. First we will calculate the prime factors of 39574 and 39585.

Prime Factorization of 39574

Prime factors of 39574 are 2, 47, 421. Prime factorization of 39574 in exponential form is:

39574 = 21 × 471 × 4211

Prime Factorization of 39585

Prime factors of 39585 are 3, 5, 7, 13, 29. Prime factorization of 39585 in exponential form is:

39585 = 31 × 51 × 71 × 131 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 39574 and 39585.

LCM(39574,39585) = 21 × 471 × 4211 × 31 × 51 × 71 × 131 × 291
LCM(39574,39585) = 1566536790