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