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