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