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