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