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