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