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What is the Least Common Multiple of 71557 and 71577?

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 71557 and 71577 is 5121835389.

LCM(71557,71577) = 5121835389

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Least Common Multiple of 71557 and 71577 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71557 and 71577, than apply into the LCM equation.

GCF(71557,71577) = 1
LCM(71557,71577) = ( 71557 × 71577) / 1
LCM(71557,71577) = 5121835389 / 1
LCM(71557,71577) = 5121835389

Least Common Multiple (LCM) of 71557 and 71577 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71557 and 71577. First we will calculate the prime factors of 71557 and 71577.

Prime Factorization of 71557

Prime factors of 71557 are 163, 439. Prime factorization of 71557 in exponential form is:

71557 = 1631 × 4391

Prime Factorization of 71577

Prime factors of 71577 are 3, 11, 241. Prime factorization of 71577 in exponential form is:

71577 = 33 × 111 × 2411

Now multiplying the highest exponent prime factors to calculate the LCM of 71557 and 71577.

LCM(71557,71577) = 1631 × 4391 × 33 × 111 × 2411
LCM(71557,71577) = 5121835389