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