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