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