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