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