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