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