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