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