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