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