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