Finding Prime Factors - Math Worksheet With Answer Key
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1
2Name:
Finding Prime Factors
Find the prime factors for each number.
A n s w e r s
1)
3×3×3×3
81 =
3×3×3×3
1.
2)
3×11
33 =
3×11
2.
3)
57 =
3×19
3×19
3.
4)
3×3×5
45 =
3×3×5
4.
5)
7
7 =
7
5.
6)
47 =
47
47
6.
7)
2×2×2×2×3
48 =
2×2×2×2×3
7.
8)
37 =
37
37
8.
9)
58 =
2×29
2×29
9.
10)
5×7
35 =
5×7
10.
11)
16 =
2×2×2×2
2×2×2×2
11.
12)
2×3×3
18 =
2×3×3
12.
13)
47
47 =
47
13.
14)
58 =
2×29
2×29
14.
15)
2×3×3×3
54 =
2×3×3×3
15.
16)
5×11
55 =
5×11
16.
17)
82 =
2×41
2×41
17.
18)
2×3×5
30 =
2×3×5
18.
19)
2×2×2×2×2
32 =
2×2×2×2×2
19.
20)
50 =
2×5×5
2×5×5
20.
1-10 95 90 85 80 75 70 65 60 55 50
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