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