GCF and LCM Calculator Logo

What is the Least Common Multiple of 31577 and 31585?

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 31577 and 31585 is 997359545.

LCM(31577,31585) = 997359545

LCM Calculator and
and

Least Common Multiple of 31577 and 31585 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31577 and 31585, than apply into the LCM equation.

GCF(31577,31585) = 1
LCM(31577,31585) = ( 31577 × 31585) / 1
LCM(31577,31585) = 997359545 / 1
LCM(31577,31585) = 997359545

Least Common Multiple (LCM) of 31577 and 31585 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31577 and 31585. First we will calculate the prime factors of 31577 and 31585.

Prime Factorization of 31577

Prime factors of 31577 are 7, 13, 347. Prime factorization of 31577 in exponential form is:

31577 = 71 × 131 × 3471

Prime Factorization of 31585

Prime factors of 31585 are 5, 6317. Prime factorization of 31585 in exponential form is:

31585 = 51 × 63171

Now multiplying the highest exponent prime factors to calculate the LCM of 31577 and 31585.

LCM(31577,31585) = 71 × 131 × 3471 × 51 × 63171
LCM(31577,31585) = 997359545