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