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What is the Least Common Multiple of 84090 and 84107?

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 84090 and 84107 is 7072557630.

LCM(84090,84107) = 7072557630

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Least Common Multiple of 84090 and 84107 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84090 and 84107, than apply into the LCM equation.

GCF(84090,84107) = 1
LCM(84090,84107) = ( 84090 × 84107) / 1
LCM(84090,84107) = 7072557630 / 1
LCM(84090,84107) = 7072557630

Least Common Multiple (LCM) of 84090 and 84107 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84090 and 84107. First we will calculate the prime factors of 84090 and 84107.

Prime Factorization of 84090

Prime factors of 84090 are 2, 3, 5, 2803. Prime factorization of 84090 in exponential form is:

84090 = 21 × 31 × 51 × 28031

Prime Factorization of 84107

Prime factors of 84107 are 151, 557. Prime factorization of 84107 in exponential form is:

84107 = 1511 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 84090 and 84107.

LCM(84090,84107) = 21 × 31 × 51 × 28031 × 1511 × 5571
LCM(84090,84107) = 7072557630