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What is the Least Common Multiple of 71115 and 71124?

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 71115 and 71124 is 1685994420.

LCM(71115,71124) = 1685994420

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Least Common Multiple of 71115 and 71124 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71115 and 71124, than apply into the LCM equation.

GCF(71115,71124) = 3
LCM(71115,71124) = ( 71115 × 71124) / 3
LCM(71115,71124) = 5057983260 / 3
LCM(71115,71124) = 1685994420

Least Common Multiple (LCM) of 71115 and 71124 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71115 and 71124. First we will calculate the prime factors of 71115 and 71124.

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

Prime Factorization of 71124

Prime factors of 71124 are 2, 3, 5927. Prime factorization of 71124 in exponential form is:

71124 = 22 × 31 × 59271

Now multiplying the highest exponent prime factors to calculate the LCM of 71115 and 71124.

LCM(71115,71124) = 31 × 51 × 111 × 4311 × 22 × 59271
LCM(71115,71124) = 1685994420