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What is the Least Common Multiple of 71797 and 71813?

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 71797 and 71813 is 5155957961.

LCM(71797,71813) = 5155957961

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Least Common Multiple of 71797 and 71813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71797 and 71813, than apply into the LCM equation.

GCF(71797,71813) = 1
LCM(71797,71813) = ( 71797 × 71813) / 1
LCM(71797,71813) = 5155957961 / 1
LCM(71797,71813) = 5155957961

Least Common Multiple (LCM) of 71797 and 71813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71797 and 71813. First we will calculate the prime factors of 71797 and 71813.

Prime Factorization of 71797

Prime factors of 71797 are 11, 61, 107. Prime factorization of 71797 in exponential form is:

71797 = 111 × 611 × 1071

Prime Factorization of 71813

Prime factors of 71813 are 7, 10259. Prime factorization of 71813 in exponential form is:

71813 = 71 × 102591

Now multiplying the highest exponent prime factors to calculate the LCM of 71797 and 71813.

LCM(71797,71813) = 111 × 611 × 1071 × 71 × 102591
LCM(71797,71813) = 5155957961