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