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