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What is the Least Common Multiple of 38969 and 38985?

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 38969 and 38985 is 1519206465.

LCM(38969,38985) = 1519206465

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Least Common Multiple of 38969 and 38985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38969 and 38985, than apply into the LCM equation.

GCF(38969,38985) = 1
LCM(38969,38985) = ( 38969 × 38985) / 1
LCM(38969,38985) = 1519206465 / 1
LCM(38969,38985) = 1519206465

Least Common Multiple (LCM) of 38969 and 38985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38969 and 38985. First we will calculate the prime factors of 38969 and 38985.

Prime Factorization of 38969

Prime factors of 38969 are 7, 19, 293. Prime factorization of 38969 in exponential form is:

38969 = 71 × 191 × 2931

Prime Factorization of 38985

Prime factors of 38985 are 3, 5, 23, 113. Prime factorization of 38985 in exponential form is:

38985 = 31 × 51 × 231 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 38969 and 38985.

LCM(38969,38985) = 71 × 191 × 2931 × 31 × 51 × 231 × 1131
LCM(38969,38985) = 1519206465