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What is the Least Common Multiple of 78983 and 78993?

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 78983 and 78993 is 6239104119.

LCM(78983,78993) = 6239104119

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Least Common Multiple of 78983 and 78993 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78983 and 78993, than apply into the LCM equation.

GCF(78983,78993) = 1
LCM(78983,78993) = ( 78983 × 78993) / 1
LCM(78983,78993) = 6239104119 / 1
LCM(78983,78993) = 6239104119

Least Common Multiple (LCM) of 78983 and 78993 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78983 and 78993. First we will calculate the prime factors of 78983 and 78993.

Prime Factorization of 78983

Prime factors of 78983 are 19, 4157. Prime factorization of 78983 in exponential form is:

78983 = 191 × 41571

Prime Factorization of 78993

Prime factors of 78993 are 3, 67, 131. Prime factorization of 78993 in exponential form is:

78993 = 32 × 671 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 78983 and 78993.

LCM(78983,78993) = 191 × 41571 × 32 × 671 × 1311
LCM(78983,78993) = 6239104119