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What is the Least Common Multiple of 77343 and 77357?

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 77343 and 77357 is 854717493.

LCM(77343,77357) = 854717493

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Least Common Multiple of 77343 and 77357 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77343 and 77357, than apply into the LCM equation.

GCF(77343,77357) = 7
LCM(77343,77357) = ( 77343 × 77357) / 7
LCM(77343,77357) = 5983022451 / 7
LCM(77343,77357) = 854717493

Least Common Multiple (LCM) of 77343 and 77357 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77343 and 77357. First we will calculate the prime factors of 77343 and 77357.

Prime Factorization of 77343

Prime factors of 77343 are 3, 7, 29, 127. Prime factorization of 77343 in exponential form is:

77343 = 31 × 71 × 291 × 1271

Prime Factorization of 77357

Prime factors of 77357 are 7, 43, 257. Prime factorization of 77357 in exponential form is:

77357 = 71 × 431 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 77343 and 77357.

LCM(77343,77357) = 31 × 71 × 291 × 1271 × 431 × 2571
LCM(77343,77357) = 854717493