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