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