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