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