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