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What is the Least Common Multiple of 84670 and 84686?

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 84670 and 84686 is 3585181810.

LCM(84670,84686) = 3585181810

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Least Common Multiple of 84670 and 84686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84670 and 84686, than apply into the LCM equation.

GCF(84670,84686) = 2
LCM(84670,84686) = ( 84670 × 84686) / 2
LCM(84670,84686) = 7170363620 / 2
LCM(84670,84686) = 3585181810

Least Common Multiple (LCM) of 84670 and 84686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84670 and 84686. First we will calculate the prime factors of 84670 and 84686.

Prime Factorization of 84670

Prime factors of 84670 are 2, 5, 8467. Prime factorization of 84670 in exponential form is:

84670 = 21 × 51 × 84671

Prime Factorization of 84686

Prime factors of 84686 are 2, 7, 23, 263. Prime factorization of 84686 in exponential form is:

84686 = 21 × 71 × 231 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 84670 and 84686.

LCM(84670,84686) = 21 × 51 × 84671 × 71 × 231 × 2631
LCM(84670,84686) = 3585181810