GCF and LCM Calculator Logo

What is the Least Common Multiple of 84278 and 84286?

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 84278 and 84286 is 3551727754.

LCM(84278,84286) = 3551727754

LCM Calculator and
and

Least Common Multiple of 84278 and 84286 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84278 and 84286, than apply into the LCM equation.

GCF(84278,84286) = 2
LCM(84278,84286) = ( 84278 × 84286) / 2
LCM(84278,84286) = 7103455508 / 2
LCM(84278,84286) = 3551727754

Least Common Multiple (LCM) of 84278 and 84286 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84278 and 84286. First we will calculate the prime factors of 84278 and 84286.

Prime Factorization of 84278

Prime factors of 84278 are 2, 42139. Prime factorization of 84278 in exponential form is:

84278 = 21 × 421391

Prime Factorization of 84286

Prime factors of 84286 are 2, 17, 37, 67. Prime factorization of 84286 in exponential form is:

84286 = 21 × 171 × 371 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 84278 and 84286.

LCM(84278,84286) = 21 × 421391 × 171 × 371 × 671
LCM(84278,84286) = 3551727754