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