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