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