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What is the Least Common Multiple of 8903 and 8915?

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 8903 and 8915 is 79370245.

LCM(8903,8915) = 79370245

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Least Common Multiple of 8903 and 8915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8903 and 8915, than apply into the LCM equation.

GCF(8903,8915) = 1
LCM(8903,8915) = ( 8903 × 8915) / 1
LCM(8903,8915) = 79370245 / 1
LCM(8903,8915) = 79370245

Least Common Multiple (LCM) of 8903 and 8915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8903 and 8915. First we will calculate the prime factors of 8903 and 8915.

Prime Factorization of 8903

Prime factors of 8903 are 29, 307. Prime factorization of 8903 in exponential form is:

8903 = 291 × 3071

Prime Factorization of 8915

Prime factors of 8915 are 5, 1783. Prime factorization of 8915 in exponential form is:

8915 = 51 × 17831

Now multiplying the highest exponent prime factors to calculate the LCM of 8903 and 8915.

LCM(8903,8915) = 291 × 3071 × 51 × 17831
LCM(8903,8915) = 79370245