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