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What is the Least Common Multiple of 7009 and 7028?

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 7009 and 7028 is 49259252.

LCM(7009,7028) = 49259252

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Least Common Multiple of 7009 and 7028 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7009 and 7028, than apply into the LCM equation.

GCF(7009,7028) = 1
LCM(7009,7028) = ( 7009 × 7028) / 1
LCM(7009,7028) = 49259252 / 1
LCM(7009,7028) = 49259252

Least Common Multiple (LCM) of 7009 and 7028 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7009 and 7028. First we will calculate the prime factors of 7009 and 7028.

Prime Factorization of 7009

Prime factors of 7009 are 43, 163. Prime factorization of 7009 in exponential form is:

7009 = 431 × 1631

Prime Factorization of 7028

Prime factors of 7028 are 2, 7, 251. Prime factorization of 7028 in exponential form is:

7028 = 22 × 71 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 7009 and 7028.

LCM(7009,7028) = 431 × 1631 × 22 × 71 × 2511
LCM(7009,7028) = 49259252