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)
5
5 =
5
1.
2)
2×2×3×7
84 =
2×2×3×7
2.
3)
12 =
2×2×3
2×2×3
3.
4)
2×2×2×2×2
32 =
2×2×2×2×2
4.
5)
2×2×2×2
16 =
2×2×2×2
5.
6)
11 =
11
11
6.
7)
2×13
26 =
2×13
7.
8)
7 =
7
7
8.
9)
99 =
3×3×11
3×3×11
9.
10)
53
53 =
53
10.
11)
55 =
5×11
5×11
11.
12)
2×19
38 =
2×19
12.
13)
43
43 =
43
13.
14)
91 =
7×13
7×13
14.
15)
73
73 =
73
15.
16)
7
7 =
7
16.
17)
12 =
2×2×3
2×2×3
17.
18)
7
7 =
7
18.
19)
59
59 =
59
19.
20)
12 =
2×2×3
2×2×3
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
7
11-20 45 40 35 30 25 20 15 10 5
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