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What is the Least Common Multiple of 7843 and 7855?

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 7843 and 7855 is 61606765.

LCM(7843,7855) = 61606765

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Least Common Multiple of 7843 and 7855 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7843 and 7855, than apply into the LCM equation.

GCF(7843,7855) = 1
LCM(7843,7855) = ( 7843 × 7855) / 1
LCM(7843,7855) = 61606765 / 1
LCM(7843,7855) = 61606765

Least Common Multiple (LCM) of 7843 and 7855 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7843 and 7855. First we will calculate the prime factors of 7843 and 7855.

Prime Factorization of 7843

Prime factors of 7843 are 11, 23, 31. Prime factorization of 7843 in exponential form is:

7843 = 111 × 231 × 311

Prime Factorization of 7855

Prime factors of 7855 are 5, 1571. Prime factorization of 7855 in exponential form is:

7855 = 51 × 15711

Now multiplying the highest exponent prime factors to calculate the LCM of 7843 and 7855.

LCM(7843,7855) = 111 × 231 × 311 × 51 × 15711
LCM(7843,7855) = 61606765