GCF and LCM Calculator Logo

What is the Least Common Multiple of 83636 and 83640?

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 83636 and 83640 is 1748828760.

LCM(83636,83640) = 1748828760

LCM Calculator and
and

Least Common Multiple of 83636 and 83640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83636 and 83640, than apply into the LCM equation.

GCF(83636,83640) = 4
LCM(83636,83640) = ( 83636 × 83640) / 4
LCM(83636,83640) = 6995315040 / 4
LCM(83636,83640) = 1748828760

Least Common Multiple (LCM) of 83636 and 83640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83636 and 83640. First we will calculate the prime factors of 83636 and 83640.

Prime Factorization of 83636

Prime factors of 83636 are 2, 7, 29, 103. Prime factorization of 83636 in exponential form is:

83636 = 22 × 71 × 291 × 1031

Prime Factorization of 83640

Prime factors of 83640 are 2, 3, 5, 17, 41. Prime factorization of 83640 in exponential form is:

83640 = 23 × 31 × 51 × 171 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 83636 and 83640.

LCM(83636,83640) = 23 × 71 × 291 × 1031 × 31 × 51 × 171 × 411
LCM(83636,83640) = 1748828760