Pre-Algebra Examples

$20$ , $0 + 3$ , $400$ , $0$

Step 1

Add $20 + 0 + 3 + 400$ and $0$ .

$20 + 0 + 3 + 400$

Step 2

Add $20$ and $0$ .

$20 + 3 + 400$

Step 3

Add $20$ and $3$ .

$23 + 400$

Step 4

Add $23$ and $400$ .

$423$

Step 5

Since there are no common prime factors, the GCF is $1$ .

$1$