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)
2×3×3
18 =
2×3×3
1.
2)
23
23 =
23
2.
3)
86 =
2×43
2×43
3.
4)
7
7 =
7
4.
5)
3×3×3×3
81 =
3×3×3×3
5.
6)
30 =
2×3×5
2×3×5
6.
7)
2×2×2×3
24 =
2×2×2×3
7.
8)
88 =
2×2×2×11
2×2×2×11
8.
9)
78 =
2×3×13
2×3×13
9.
10)
37
37 =
37
10.
11)
74 =
2×37
2×37
11.
12)
2×31
62 =
2×31
12.
13)
2×2×2×2×5
80 =
2×2×2×2×5
13.
14)
19 =
19
19
14.
15)
2×2×2×5
40 =
2×2×2×5
15.
16)
3×3×11
99 =
3×3×11
16.
17)
5 =
5
5
17.
18)
3×5
15 =
3×5
18.
19)
2×2×2×5
40 =
2×2×2×5
19.
20)
95 =
5×19
5×19
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
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11-20 45 40 35 30 25 20 15 10 5
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