GCF and LCM Calculator Logo

What is the Least Common Multiple of 84074 and 84090?

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 84074 and 84090 is 3534891330.

LCM(84074,84090) = 3534891330

LCM Calculator and
and

Least Common Multiple of 84074 and 84090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84074 and 84090, than apply into the LCM equation.

GCF(84074,84090) = 2
LCM(84074,84090) = ( 84074 × 84090) / 2
LCM(84074,84090) = 7069782660 / 2
LCM(84074,84090) = 3534891330

Least Common Multiple (LCM) of 84074 and 84090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84074 and 84090. First we will calculate the prime factors of 84074 and 84090.

Prime Factorization of 84074

Prime factors of 84074 are 2, 127, 331. Prime factorization of 84074 in exponential form is:

84074 = 21 × 1271 × 3311

Prime Factorization of 84090

Prime factors of 84090 are 2, 3, 5, 2803. Prime factorization of 84090 in exponential form is:

84090 = 21 × 31 × 51 × 28031

Now multiplying the highest exponent prime factors to calculate the LCM of 84074 and 84090.

LCM(84074,84090) = 21 × 1271 × 3311 × 31 × 51 × 28031
LCM(84074,84090) = 3534891330