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What is the Least Common Multiple of 84392 and 84409?

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 84392 and 84409 is 7123444328.

LCM(84392,84409) = 7123444328

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Least Common Multiple of 84392 and 84409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84392 and 84409, than apply into the LCM equation.

GCF(84392,84409) = 1
LCM(84392,84409) = ( 84392 × 84409) / 1
LCM(84392,84409) = 7123444328 / 1
LCM(84392,84409) = 7123444328

Least Common Multiple (LCM) of 84392 and 84409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84392 and 84409. First we will calculate the prime factors of 84392 and 84409.

Prime Factorization of 84392

Prime factors of 84392 are 2, 7, 11, 137. Prime factorization of 84392 in exponential form is:

84392 = 23 × 71 × 111 × 1371

Prime Factorization of 84409

Prime factors of 84409 are 13, 43, 151. Prime factorization of 84409 in exponential form is:

84409 = 131 × 431 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 84392 and 84409.

LCM(84392,84409) = 23 × 71 × 111 × 1371 × 131 × 431 × 1511
LCM(84392,84409) = 7123444328