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