\[0.000008\]

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Examples

0.000008

is the same as

\frac{8}{1000000}

\frac{8}{1000000}

Find the Greatest Common Factor (GCF) of

8,1000000

Method 1: By Listing Factors

List the factors of each number.

Factors of 8

: 1, 2, 4, 8

Factors of 1000000

: 1, 2, 4 ... 250000, 500000, 1000000

Find the largest number that is shared by all rows above. This is the GCF.

GCF =

8

Method 2: By Prime Factors

List the prime factors of each number.

Prime Factors of 8

: 2, 2, 2

Prime Factors of 1000000

: 2, 2, 2, 2, 2, 2, 5, 5, 5, 5, 5, 5

Find the intersection of these primes.

2,2,2

Multiply these numbers:

2\times 2\times 2=8

. This is the GCF.

GCF =

8

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8

Divide both the numerator and the denominator by the GCF.

\frac{8\div 8}{1000000\div 8}

Simplify.

\frac{1}{125000}

Done

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