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Find the HCF of 24 & 36, 40 & 60, 54 & 72 & 90, 432 & 72, 14 & 21 & 28

Mathematics

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Eyi ni bi a ṣe le wa HCF (Highest Common Factor) fun nọmba kọọkan:

1) HCF ti 24 ati 36

  1. Wa awọn nọmba akọkọ ti 24 ati 36.

    24=2×2×2×3=23×3124 = 2 \times 2 \times 2 \times 3 = 2^3 \times 3^1 36=2×2×3×3=22×3236 = 2 \times 2 \times 3 \times 3 = 2^2 \times 3^2
  2. Wa awọn nọmba akọkọ ti o wọpọ pẹlu agbara ti o kere julọ.

    Awọn nọmba akọkọ ti o wọpọ ni 2 ati 3. Agbara ti o kere julọ fun 2 jẹ 222^2 ati fun 3 jẹ 313^1.

  3. Ṣe isodipupo awọn nọmba akọkọ ti o wọpọ pẹlu agbara ti o kere julọ.

    HCF=22×31=4×3=12\text{HCF} = 2^2 \times 3^1 = 4 \times 3 = 12

    Idahun: 12\boxed{12}

    2) HCF ti 40 ati 60

  4. Wa awọn nọmba akọkọ ti 40 ati 60.

    40=2×2×2×5=23×5140 = 2 \times 2 \times 2 \times 5 = 2^3 \times 5^1 60=2×2×3×5=22×31×5160 = 2 \times 2 \times 3 \times 5 = 2^2 \times 3^1 \times 5^1
  5. Wa awọn nọmba akọkọ ti o wọpọ pẹlu agbara ti o kere julọ.

    Awọn nọmba akọkọ ti o wọpọ ni 2 ati 5. Agbara ti o kere julọ fun 2 jẹ 222^2 ati fun 5 jẹ 515^1.

  6. Ṣe isodipupo awọn nọmba akọkọ ti o wọpọ pẹlu agbara ti o kere julọ.

    HCF=22×51=4×5=20\text{HCF} = 2^2 \times 5^1 = 4 \times 5 = 20

    Idahun: 20\boxed{20}

    3) HCF ti 54, 72 ati 90

  7. Wa awọn nọmba akọkọ ti 54, 72 ati 90.

    54=2×3×3×3=21×3354 = 2 \times 3 \times 3 \times 3 = 2^1 \times 3^3 72=2×2×2×3×3=23×3272 = 2 \times 2 \times 2 \times 3 \times 3 = 2^3 \times 3^2 90=2×3×3×5=21×32×5190 = 2 \times 3 \times 3 \times 5 = 2^1 \times 3^2 \times 5^1
  8. Wa awọn nọmba akọkọ ti o wọpọ si gbogbo awọn nọmba pẹlu agbara ti o kere julọ.

    Awọn nọmba akọkọ ti o wọpọ ni 2 ati 3. Agbara ti o kere julọ fun 2 jẹ 212^1 ati fun 3 jẹ 323^2.

  9. Ṣe isodipupo awọn nọmba akọkọ ti o wọpọ pẹlu agbara ti o kere julọ.

    HCF=21×32=2×9=18\text{HCF} = 2^1 \times 3^2 = 2 \times 9 = 18

    Idahun: 18\boxed{18}

    4) HCF ti 432 ati 72

  10. Wa awọn nọmba akọkọ ti 432 ati 72.

    432=2×2×2×2×3×3×3=24×33432 = 2 \times 2 \times 2 \times 2 \times 3 \times 3 \times 3 = 2^4 \times 3^3 72=2×2×2×3×3=23×3272 = 2 \times 2 \times 2 \times 3 \times 3 = 2^3 \times 3^2
  11. Wa awọn nọmba akọkọ ti o wọpọ pẹlu agbara ti o kere julọ.

    Awọn nọmba akọkọ ti o wọpọ ni 2 ati 3. Agbara ti o kere julọ fun 2 jẹ 232^3 ati fun 3 jẹ 323^2.

  12. Ṣe isodipupo awọn nọmba akọkọ ti o wọpọ pẹlu agbara ti o kere julọ.

    HCF=23×32=8×9=72\text{HCF} = 2^3 \times 3^2 = 8 \times 9 = 72

    Idahun: 72\boxed{72}

    5) HCF ti 14, 21 ati 28

  13. Wa awọn nọmba akọkọ ti 14, 21 ati 28.

    14=2×7=21×7114 = 2 \times 7 = 2^1 \times 7^1 21=3×7=31×7121 = 3 \times 7 = 3^1 \times 7^1 28=2×2×7=22×7128 = 2 \times 2 \times 7 = 2^2 \times 7^1
  14. Wa awọn nọmba akọkọ ti o wọpọ si gbogbo awọn nọmba pẹlu agbara ti o kere julọ.

    Nọmba akọkọ ti o wọpọ ni 7. Agbara ti o kere julọ fun 7 jẹ 717^1.

  15. Ṣe isodipupo awọn nọmba akọkọ ti o wọpọ pẹlu agbara ti o kere julọ.

    HCF=71=7\text{HCF} = 7^1 = 7

    Idahun: 7\boxed{7}

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