GCF and LCM Calculator Logo

What is the Least Common Multiple of 84629 and 84640?

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 84629 and 84640 is 7162998560.

LCM(84629,84640) = 7162998560

LCM Calculator and
and

Least Common Multiple of 84629 and 84640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84629 and 84640, than apply into the LCM equation.

GCF(84629,84640) = 1
LCM(84629,84640) = ( 84629 × 84640) / 1
LCM(84629,84640) = 7162998560 / 1
LCM(84629,84640) = 7162998560

Least Common Multiple (LCM) of 84629 and 84640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84629 and 84640. First we will calculate the prime factors of 84629 and 84640.

Prime Factorization of 84629

Prime factors of 84629 are 84629. Prime factorization of 84629 in exponential form is:

84629 = 846291

Prime Factorization of 84640

Prime factors of 84640 are 2, 5, 23. Prime factorization of 84640 in exponential form is:

84640 = 25 × 51 × 232

Now multiplying the highest exponent prime factors to calculate the LCM of 84629 and 84640.

LCM(84629,84640) = 846291 × 25 × 51 × 232
LCM(84629,84640) = 7162998560