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