GCF and LCM Calculator Logo

What is the Least Common Multiple of 84728 and 84743?

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 84728 and 84743 is 7180104904.

LCM(84728,84743) = 7180104904

LCM Calculator and
and

Least Common Multiple of 84728 and 84743 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84728 and 84743, than apply into the LCM equation.

GCF(84728,84743) = 1
LCM(84728,84743) = ( 84728 × 84743) / 1
LCM(84728,84743) = 7180104904 / 1
LCM(84728,84743) = 7180104904

Least Common Multiple (LCM) of 84728 and 84743 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84728 and 84743. First we will calculate the prime factors of 84728 and 84743.

Prime Factorization of 84728

Prime factors of 84728 are 2, 7, 17, 89. Prime factorization of 84728 in exponential form is:

84728 = 23 × 71 × 171 × 891

Prime Factorization of 84743

Prime factors of 84743 are 83, 1021. Prime factorization of 84743 in exponential form is:

84743 = 831 × 10211

Now multiplying the highest exponent prime factors to calculate the LCM of 84728 and 84743.

LCM(84728,84743) = 23 × 71 × 171 × 891 × 831 × 10211
LCM(84728,84743) = 7180104904