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