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 {15, 7, 25, 21, 23, 29} → ______
- Prime numbers in {8, 11, 17, 12, 27, 7} → ______
- Prime numbers in {2, 3, 11, 7, 17, 13} → ______
- Prime numbers in {15, 25, 11, 7, 19, 9} → ______
- Prime numbers in {29, 11, 5, 23, 13, 25} → ______
- Prime numbers in {8, 13, 15, 12, 29, 19} → ______
- Prime numbers in {19, 3, 8, 29, 25, 5} → ______
- Prime numbers in {25, 19, 15, 8, 29, 23} → ______
- Prime numbers in {27, 17, 29, 25, 9, 19} → ______
- Prime numbers in {2, 17, 13, 23, 8, 21} → ______
- Prime numbers in {15, 19, 9, 13, 12, 23} → ______
- Prime numbers in {7, 21, 11, 27, 25, 17} → ______
- Prime numbers in {13, 15, 7, 17, 11, 5} → ______
- Prime numbers in {11, 19, 9, 15, 2, 27} → ______
- Prime numbers in {7, 8, 2, 13, 27, 29} → ______
- Prime numbers in {9, 25, 8, 3, 13, 7} → ______
- Prime numbers in {3, 11, 15, 27, 5, 13} → ______
- Prime numbers in {15, 7, 9, 17, 27, 13} → ______
- Prime numbers in {21, 11, 17, 7, 13, 29} → ______
- Prime numbers in {2, 13, 29, 15, 27, 7} → ______