GCF and LCM Calculator Logo

What is the Least Common Multiple of 78281 and 78297?

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 78281 and 78297 is 6129167457.

LCM(78281,78297) = 6129167457

LCM Calculator and
and

Least Common Multiple of 78281 and 78297 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78281 and 78297, than apply into the LCM equation.

GCF(78281,78297) = 1
LCM(78281,78297) = ( 78281 × 78297) / 1
LCM(78281,78297) = 6129167457 / 1
LCM(78281,78297) = 6129167457

Least Common Multiple (LCM) of 78281 and 78297 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78281 and 78297. First we will calculate the prime factors of 78281 and 78297.

Prime Factorization of 78281

Prime factors of 78281 are 7, 53, 211. Prime factorization of 78281 in exponential form is:

78281 = 71 × 531 × 2111

Prime Factorization of 78297

Prime factors of 78297 are 3, 26099. Prime factorization of 78297 in exponential form is:

78297 = 31 × 260991

Now multiplying the highest exponent prime factors to calculate the LCM of 78281 and 78297.

LCM(78281,78297) = 71 × 531 × 2111 × 31 × 260991
LCM(78281,78297) = 6129167457