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What is the Least Common Multiple of 78799 and 78813?

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 78799 and 78813 is 887197941.

LCM(78799,78813) = 887197941

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Least Common Multiple of 78799 and 78813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78799 and 78813, than apply into the LCM equation.

GCF(78799,78813) = 7
LCM(78799,78813) = ( 78799 × 78813) / 7
LCM(78799,78813) = 6210385587 / 7
LCM(78799,78813) = 887197941

Least Common Multiple (LCM) of 78799 and 78813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78799 and 78813. First we will calculate the prime factors of 78799 and 78813.

Prime Factorization of 78799

Prime factors of 78799 are 7, 11257. Prime factorization of 78799 in exponential form is:

78799 = 71 × 112571

Prime Factorization of 78813

Prime factors of 78813 are 3, 7, 139. Prime factorization of 78813 in exponential form is:

78813 = 34 × 71 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 78799 and 78813.

LCM(78799,78813) = 71 × 112571 × 34 × 1391
LCM(78799,78813) = 887197941