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