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