GCF and LCM Calculator Logo

What is the Least Common Multiple of 57380 and 57398?

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 57380 and 57398 is 1646748620.

LCM(57380,57398) = 1646748620

LCM Calculator and
and

Least Common Multiple of 57380 and 57398 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57380 and 57398, than apply into the LCM equation.

GCF(57380,57398) = 2
LCM(57380,57398) = ( 57380 × 57398) / 2
LCM(57380,57398) = 3293497240 / 2
LCM(57380,57398) = 1646748620

Least Common Multiple (LCM) of 57380 and 57398 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57380 and 57398. First we will calculate the prime factors of 57380 and 57398.

Prime Factorization of 57380

Prime factors of 57380 are 2, 5, 19, 151. Prime factorization of 57380 in exponential form is:

57380 = 22 × 51 × 191 × 1511

Prime Factorization of 57398

Prime factors of 57398 are 2, 11, 2609. Prime factorization of 57398 in exponential form is:

57398 = 21 × 111 × 26091

Now multiplying the highest exponent prime factors to calculate the LCM of 57380 and 57398.

LCM(57380,57398) = 22 × 51 × 191 × 1511 × 111 × 26091
LCM(57380,57398) = 1646748620