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