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