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