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