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What is the Least Common Multiple of 71278 and 71297?

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 71278 and 71297 is 5081907566.

LCM(71278,71297) = 5081907566

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Least Common Multiple of 71278 and 71297 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71278 and 71297, than apply into the LCM equation.

GCF(71278,71297) = 1
LCM(71278,71297) = ( 71278 × 71297) / 1
LCM(71278,71297) = 5081907566 / 1
LCM(71278,71297) = 5081907566

Least Common Multiple (LCM) of 71278 and 71297 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71278 and 71297. First we will calculate the prime factors of 71278 and 71297.

Prime Factorization of 71278

Prime factors of 71278 are 2, 157, 227. Prime factorization of 71278 in exponential form is:

71278 = 21 × 1571 × 2271

Prime Factorization of 71297

Prime factors of 71297 are 83, 859. Prime factorization of 71297 in exponential form is:

71297 = 831 × 8591

Now multiplying the highest exponent prime factors to calculate the LCM of 71278 and 71297.

LCM(71278,71297) = 21 × 1571 × 2271 × 831 × 8591
LCM(71278,71297) = 5081907566