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