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What is the Least Common Multiple of 2828 and 2842?

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 2828 and 2842 is 574084.

LCM(2828,2842) = 574084

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Least Common Multiple of 2828 and 2842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2828 and 2842, than apply into the LCM equation.

GCF(2828,2842) = 14
LCM(2828,2842) = ( 2828 × 2842) / 14
LCM(2828,2842) = 8037176 / 14
LCM(2828,2842) = 574084

Least Common Multiple (LCM) of 2828 and 2842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2828 and 2842. First we will calculate the prime factors of 2828 and 2842.

Prime Factorization of 2828

Prime factors of 2828 are 2, 7, 101. Prime factorization of 2828 in exponential form is:

2828 = 22 × 71 × 1011

Prime Factorization of 2842

Prime factors of 2842 are 2, 7, 29. Prime factorization of 2842 in exponential form is:

2842 = 21 × 72 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 2828 and 2842.

LCM(2828,2842) = 22 × 72 × 1011 × 291
LCM(2828,2842) = 574084