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