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