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