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What is the Least Common Multiple of 28042 and 28062?

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 28042 and 28062 is 393457302.

LCM(28042,28062) = 393457302

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Least Common Multiple of 28042 and 28062 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28042 and 28062, than apply into the LCM equation.

GCF(28042,28062) = 2
LCM(28042,28062) = ( 28042 × 28062) / 2
LCM(28042,28062) = 786914604 / 2
LCM(28042,28062) = 393457302

Least Common Multiple (LCM) of 28042 and 28062 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28042 and 28062. First we will calculate the prime factors of 28042 and 28062.

Prime Factorization of 28042

Prime factors of 28042 are 2, 7, 2003. Prime factorization of 28042 in exponential form is:

28042 = 21 × 71 × 20031

Prime Factorization of 28062

Prime factors of 28062 are 2, 3, 1559. Prime factorization of 28062 in exponential form is:

28062 = 21 × 32 × 15591

Now multiplying the highest exponent prime factors to calculate the LCM of 28042 and 28062.

LCM(28042,28062) = 21 × 71 × 20031 × 32 × 15591
LCM(28042,28062) = 393457302