GCF and LCM Calculator Logo

What is the Least Common Multiple of 91842 and 91862?

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 91842 and 91862 is 4218394902.

LCM(91842,91862) = 4218394902

LCM Calculator and
and

Least Common Multiple of 91842 and 91862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91842 and 91862, than apply into the LCM equation.

GCF(91842,91862) = 2
LCM(91842,91862) = ( 91842 × 91862) / 2
LCM(91842,91862) = 8436789804 / 2
LCM(91842,91862) = 4218394902

Least Common Multiple (LCM) of 91842 and 91862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91842 and 91862. First we will calculate the prime factors of 91842 and 91862.

Prime Factorization of 91842

Prime factors of 91842 are 2, 3, 15307. Prime factorization of 91842 in exponential form is:

91842 = 21 × 31 × 153071

Prime Factorization of 91862

Prime factors of 91862 are 2, 23, 1997. Prime factorization of 91862 in exponential form is:

91862 = 21 × 231 × 19971

Now multiplying the highest exponent prime factors to calculate the LCM of 91842 and 91862.

LCM(91842,91862) = 21 × 31 × 153071 × 231 × 19971
LCM(91842,91862) = 4218394902