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What is the Least Common Multiple of 71103 and 71115?

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 71103 and 71115 is 1685496615.

LCM(71103,71115) = 1685496615

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Least Common Multiple of 71103 and 71115 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71103 and 71115, than apply into the LCM equation.

GCF(71103,71115) = 3
LCM(71103,71115) = ( 71103 × 71115) / 3
LCM(71103,71115) = 5056489845 / 3
LCM(71103,71115) = 1685496615

Least Common Multiple (LCM) of 71103 and 71115 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71103 and 71115. First we will calculate the prime factors of 71103 and 71115.

Prime Factorization of 71103

Prime factors of 71103 are 3, 137, 173. Prime factorization of 71103 in exponential form is:

71103 = 31 × 1371 × 1731

Prime Factorization of 71115

Prime factors of 71115 are 3, 5, 11, 431. Prime factorization of 71115 in exponential form is:

71115 = 31 × 51 × 111 × 4311

Now multiplying the highest exponent prime factors to calculate the LCM of 71103 and 71115.

LCM(71103,71115) = 31 × 1371 × 1731 × 51 × 111 × 4311
LCM(71103,71115) = 1685496615