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