\[0.00025\]

Choose Topic

Examples

0.00025

is the same as

\frac{25}{100000}

\frac{25}{100000}

Find the Greatest Common Factor (GCF) of

25,100000

Method 1: By Listing Factors

List the factors of each number.

Factors of 25

: 1, 5, 25

Factors of 100000

: 1, 2, 4 ... 25000, 50000, 100000

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

GCF =

25

Method 2: By Prime Factors

List the prime factors of each number.

Prime Factors of 25

: 5, 5

Prime Factors of 100000

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

Find the intersection of these primes.

5,5

Multiply these numbers:

5\times 5=25

. This is the GCF.

GCF =

25

To get access to all 'How?' and 'Why?' steps, join Cymath Plus!

25

Divide both the numerator and the denominator by the GCF.

\frac{25\div 25}{100000\div 25}

Simplify.

\frac{1}{4000}

Done

Decimal Form: 0.00025

Like this solution? Share it!