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