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