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