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