GCF and LCM Calculator Logo

What is the Least Common Multiple of 61842 and 61858?

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 61842 and 61858 is 1912711218.

LCM(61842,61858) = 1912711218

LCM Calculator and
and

Least Common Multiple of 61842 and 61858 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61842 and 61858, than apply into the LCM equation.

GCF(61842,61858) = 2
LCM(61842,61858) = ( 61842 × 61858) / 2
LCM(61842,61858) = 3825422436 / 2
LCM(61842,61858) = 1912711218

Least Common Multiple (LCM) of 61842 and 61858 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61842 and 61858. First we will calculate the prime factors of 61842 and 61858.

Prime Factorization of 61842

Prime factors of 61842 are 2, 3, 11, 937. Prime factorization of 61842 in exponential form is:

61842 = 21 × 31 × 111 × 9371

Prime Factorization of 61858

Prime factors of 61858 are 2, 157, 197. Prime factorization of 61858 in exponential form is:

61858 = 21 × 1571 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 61842 and 61858.

LCM(61842,61858) = 21 × 31 × 111 × 9371 × 1571 × 1971
LCM(61842,61858) = 1912711218