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