Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {13, 5, 29, 2, 17, 27} → ______
- Prime numbers in {8, 3, 2, 9, 19, 12} → ______
- Prime numbers in {13, 8, 21, 17, 7, 27} → ______
- Prime numbers in {2, 12, 7, 21, 27, 3} → ______
- Prime numbers in {27, 13, 12, 23, 29, 7} → ______
- Prime numbers in {5, 19, 23, 9, 7, 29} → ______
- Prime numbers in {5, 25, 27, 17, 21, 7} → ______
- Prime numbers in {9, 11, 27, 5, 25, 17} → ______
- Prime numbers in {7, 3, 21, 15, 29, 9} → ______
- Prime numbers in {15, 13, 21, 25, 2, 23} → ______
- Prime numbers in {3, 17, 5, 7, 8, 21} → ______
- Prime numbers in {11, 8, 21, 29, 12, 7} → ______
- Prime numbers in {17, 2, 3, 25, 7, 23} → ______
- Prime numbers in {8, 13, 3, 25, 17, 19} → ______
- Prime numbers in {8, 5, 9, 21, 15, 12} → ______
- Prime numbers in {11, 17, 27, 13, 23, 21} → ______
- Prime numbers in {29, 8, 7, 15, 11, 21} → ______
- Prime numbers in {12, 23, 29, 13, 9, 27} → ______
- Prime numbers in {2, 11, 21, 13, 5, 19} → ______
- Prime numbers in {2, 21, 8, 5, 27, 9} → ______