Question

GCF of 70, 130, 145. Please tell me as fast as u can because I have a speed test tomorrow. So please.

Answer 1

Answer:

Your answer is in attachement

Answer 2

Answer:

5

Explanation:

To find GCF(HCF) of 70,130,145 find ther factor out.

$\begin{array}{r | l} 2 & 70 \\ \cline{1-2} 5 & 35 \\ \cline{1-2} 7 & 7 \\ \cline{1-2} 1 & 1 \\ \end{array}$

$\begin{array}{r | l} 2 & 130 \\ \cline{1-2} 5 & 65 \\ \cline{1-2} 13 & 13 \\ \cline{1-2} 1 & 1 \\\end{array}$

$\begin{array}{r | l} 5 & 145 \\ \cline{1-2} 29 & 29\\ \cline{1-2} 1 & 1 \\\end{array}$

70 = 2 × 5 × 7

130 =  2 × 5 × 13

145 = 5 × 29

Therefore, The greatest common factor of 70, 130, 145 is 5.