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