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