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What is the Least Common Multiple of 38893 and 38909?

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 38893 and 38909 is 1513287737.

LCM(38893,38909) = 1513287737

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Least Common Multiple of 38893 and 38909 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38893 and 38909, than apply into the LCM equation.

GCF(38893,38909) = 1
LCM(38893,38909) = ( 38893 × 38909) / 1
LCM(38893,38909) = 1513287737 / 1
LCM(38893,38909) = 1513287737

Least Common Multiple (LCM) of 38893 and 38909 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38893 and 38909. First we will calculate the prime factors of 38893 and 38909.

Prime Factorization of 38893

Prime factors of 38893 are 19, 23, 89. Prime factorization of 38893 in exponential form is:

38893 = 191 × 231 × 891

Prime Factorization of 38909

Prime factors of 38909 are 13, 41, 73. Prime factorization of 38909 in exponential form is:

38909 = 131 × 411 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 38893 and 38909.

LCM(38893,38909) = 191 × 231 × 891 × 131 × 411 × 731
LCM(38893,38909) = 1513287737