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