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