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