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