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