GCF and LCM Calculator Logo

What is the Least Common Multiple of 71828 and 71842?

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 71828 and 71842 is 2580133588.

LCM(71828,71842) = 2580133588

LCM Calculator and
and

Least Common Multiple of 71828 and 71842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71828 and 71842, than apply into the LCM equation.

GCF(71828,71842) = 2
LCM(71828,71842) = ( 71828 × 71842) / 2
LCM(71828,71842) = 5160267176 / 2
LCM(71828,71842) = 2580133588

Least Common Multiple (LCM) of 71828 and 71842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71828 and 71842. First we will calculate the prime factors of 71828 and 71842.

Prime Factorization of 71828

Prime factors of 71828 are 2, 17957. Prime factorization of 71828 in exponential form is:

71828 = 22 × 179571

Prime Factorization of 71842

Prime factors of 71842 are 2, 17, 2113. Prime factorization of 71842 in exponential form is:

71842 = 21 × 171 × 21131

Now multiplying the highest exponent prime factors to calculate the LCM of 71828 and 71842.

LCM(71828,71842) = 22 × 179571 × 171 × 21131
LCM(71828,71842) = 2580133588