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