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What is the Least Common Multiple of 80828 and 80840?

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 80828 and 80840 is 1633533880.

LCM(80828,80840) = 1633533880

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Least Common Multiple of 80828 and 80840 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80828 and 80840, than apply into the LCM equation.

GCF(80828,80840) = 4
LCM(80828,80840) = ( 80828 × 80840) / 4
LCM(80828,80840) = 6534135520 / 4
LCM(80828,80840) = 1633533880

Least Common Multiple (LCM) of 80828 and 80840 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80828 and 80840. First we will calculate the prime factors of 80828 and 80840.

Prime Factorization of 80828

Prime factors of 80828 are 2, 11, 167. Prime factorization of 80828 in exponential form is:

80828 = 22 × 112 × 1671

Prime Factorization of 80840

Prime factors of 80840 are 2, 5, 43, 47. Prime factorization of 80840 in exponential form is:

80840 = 23 × 51 × 431 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 80828 and 80840.

LCM(80828,80840) = 23 × 112 × 1671 × 51 × 431 × 471
LCM(80828,80840) = 1633533880