What is the Least Common Multiple of 25730 and 25742?

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 of 25730 and 25742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25730 and 25742, than apply into the LCM equation.

GCF(25730,25742) = 2
LCM(25730,25742) = ( 25730 × 25742) / 2
LCM(25730,25742) = 662341660 / 2
LCM(25730,25742) = 331170830

Least Common Multiple (LCM) of 25730 and 25742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25730 and 25742. First we will calculate the prime factors of 25730 and 25742.

Prime Factorization of 25730

Prime Factorization of 25742

Now multiplying the highest exponent prime factors to calculate the LCM of 25730 and 25742.

LCM(25730,25742) = 2¹ × 5¹ × 31¹ × 83¹ × 61¹ × 211¹
LCM(25730,25742) = 331170830