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