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