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