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