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