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