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What is the Least Common Multiple of 84280 and 84297?

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 84280 and 84297 is 7104551160.

LCM(84280,84297) = 7104551160

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Least Common Multiple of 84280 and 84297 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84280 and 84297, than apply into the LCM equation.

GCF(84280,84297) = 1
LCM(84280,84297) = ( 84280 × 84297) / 1
LCM(84280,84297) = 7104551160 / 1
LCM(84280,84297) = 7104551160

Least Common Multiple (LCM) of 84280 and 84297 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84280 and 84297. First we will calculate the prime factors of 84280 and 84297.

Prime Factorization of 84280

Prime factors of 84280 are 2, 5, 7, 43. Prime factorization of 84280 in exponential form is:

84280 = 23 × 51 × 72 × 431

Prime Factorization of 84297

Prime factors of 84297 are 3, 28099. Prime factorization of 84297 in exponential form is:

84297 = 31 × 280991

Now multiplying the highest exponent prime factors to calculate the LCM of 84280 and 84297.

LCM(84280,84297) = 23 × 51 × 72 × 431 × 31 × 280991
LCM(84280,84297) = 7104551160