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