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